291228756

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1229}}^1$

素因数の和:1294

約数の個数: 144

約数和(自身を含む): 879459840

約数和(自身を除く): 588231084

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 31, 39, 42, 49, 52, 62, 78, 84, 91, 93, 98, 124, 147, 156, 182, 186, 196, 217, 273, 294, 364, 372, 403, 434, 546, 588, 637, 651, 806, 868, 1092, 1209, 1229, 1274, 1302, 1519, 1612, 1911, 2418, 2458, 2548, 2604, 2821, 3038, 3687, 3822, 4557, 4836, 4916, 5642, 6076, 7374, 7644, 8463, 8603, 9114, 11284, 14748, 15977, 16926, 17206, 18228, 19747, 25809, 31954, 33852, 34412, 38099, 39494, 47931, 51618, 59241, 60221, 63908, 76198, 78988, 95862, 103236, 111839, 114297, 118482, 120442, 152396, 180663, 191724, 223678, 228594, 236964, 240884, 266693, 335517, 361326, 447356, 457188, 495287, 533386, 671034, 722652, 782873, 800079, 990574, 1066772, 1342068, 1485861, 1565746, 1600158, 1866851, 1981148, 2348619, 2971722, 3131492, 3200316, 3467009, 3733702, 4697238, 5600553, 5943444, 6934018, 7467404, 9394476, 10401027, 11201106, 13868036, 20802054, 22402212, 24269063, 41604108, 48538126, 72807189, 97076252, 145614378, 291228756]

約数ペア:

[(1, 291228756), (2, 145614378), (3, 97076252), (4, 72807189), (6, 48538126), (7, 41604108), (12, 24269063), (13, 22402212), (14, 20802054), (21, 13868036), (26, 11201106), (28, 10401027), (31, 9394476), (39, 7467404), (42, 6934018), (49, 5943444), (52, 5600553), (62, 4697238), (78, 3733702), (84, 3467009), (91, 3200316), (93, 3131492), (98, 2971722), (124, 2348619), (147, 1981148), (156, 1866851), (182, 1600158), (186, 1565746), (196, 1485861), (217, 1342068), (273, 1066772), (294, 990574), (364, 800079), (372, 782873), (403, 722652), (434, 671034), (546, 533386), (588, 495287), (637, 457188), (651, 447356), (806, 361326), (868, 335517), (1092, 266693), (1209, 240884), (1229, 236964), (1274, 228594), (1302, 223678), (1519, 191724), (1612, 180663), (1911, 152396), (2418, 120442), (2458, 118482), (2548, 114297), (2604, 111839), (2821, 103236), (3038, 95862), (3687, 78988), (3822, 76198), (4557, 63908), (4836, 60221), (4916, 59241), (5642, 51618), (6076, 47931), (7374, 39494), (7644, 38099), (8463, 34412), (8603, 33852), (9114, 31954), (11284, 25809), (14748, 19747), (15977, 18228), (16926, 17206)]