1856454964

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1237}}^1$

素因数の和:1318

約数の個数: 144

約数和(自身を含む): 4425899520

約数和(自身を除く): 2569444556

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 31, 38, 49, 52, 62, 76, 91, 98, 124, 133, 182, 196, 217, 247, 266, 364, 403, 434, 494, 532, 589, 637, 806, 868, 931, 988, 1178, 1237, 1274, 1519, 1612, 1729, 1862, 2356, 2474, 2548, 2821, 3038, 3458, 3724, 4123, 4948, 5642, 6076, 6916, 7657, 8246, 8659, 11284, 12103, 15314, 16081, 16492, 17318, 19747, 23503, 24206, 28861, 30628, 32162, 34636, 38347, 39494, 47006, 48412, 53599, 57722, 60613, 64324, 76694, 78988, 94012, 107198, 112567, 115444, 121226, 153388, 164521, 214396, 225134, 242452, 268429, 305539, 329042, 375193, 450268, 498511, 536858, 611078, 658084, 728593, 750386, 787969, 997022, 1073716, 1151647, 1222156, 1457186, 1500772, 1575938, 1879003, 1994044, 2138773, 2303294, 2914372, 3151876, 3489577, 3758006, 4277546, 4606588, 5100151, 6979154, 7516012, 8555092, 9471709, 10200302, 13958308, 14971411, 18943418, 20400604, 24427039, 29942822, 35701057, 37886836, 48854078, 59885644, 66301963, 71402114, 97708156, 132603926, 142804228, 265207852, 464113741, 928227482, 1856454964]

約数ペア:

[(1, 1856454964), (2, 928227482), (4, 464113741), (7, 265207852), (13, 142804228), (14, 132603926), (19, 97708156), (26, 71402114), (28, 66301963), (31, 59885644), (38, 48854078), (49, 37886836), (52, 35701057), (62, 29942822), (76, 24427039), (91, 20400604), (98, 18943418), (124, 14971411), (133, 13958308), (182, 10200302), (196, 9471709), (217, 8555092), (247, 7516012), (266, 6979154), (364, 5100151), (403, 4606588), (434, 4277546), (494, 3758006), (532, 3489577), (589, 3151876), (637, 2914372), (806, 2303294), (868, 2138773), (931, 1994044), (988, 1879003), (1178, 1575938), (1237, 1500772), (1274, 1457186), (1519, 1222156), (1612, 1151647), (1729, 1073716), (1862, 997022), (2356, 787969), (2474, 750386), (2548, 728593), (2821, 658084), (3038, 611078), (3458, 536858), (3724, 498511), (4123, 450268), (4948, 375193), (5642, 329042), (6076, 305539), (6916, 268429), (7657, 242452), (8246, 225134), (8659, 214396), (11284, 164521), (12103, 153388), (15314, 121226), (16081, 115444), (16492, 112567), (17318, 107198), (19747, 94012), (23503, 78988), (24206, 76694), (28861, 64324), (30628, 60613), (32162, 57722), (34636, 53599), (38347, 48412), (39494, 47006)]