644152782

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2003}}^1$

素因数の和:2078

約数の個数: 128

約数和(自身を含む): 1723760640

約数和(自身を除く): 1079607858

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 31, 38, 39, 42, 57, 62, 78, 91, 93, 114, 133, 182, 186, 217, 247, 266, 273, 399, 403, 434, 494, 546, 589, 651, 741, 798, 806, 1178, 1209, 1302, 1482, 1729, 1767, 2003, 2418, 2821, 3458, 3534, 4006, 4123, 5187, 5642, 6009, 7657, 8246, 8463, 10374, 12018, 12369, 14021, 15314, 16926, 22971, 24738, 26039, 28042, 38057, 42063, 45942, 52078, 53599, 62093, 76114, 78117, 84126, 107198, 114171, 124186, 156234, 160797, 182273, 186279, 228342, 266399, 321594, 364546, 372558, 434651, 494741, 532798, 546819, 799197, 807209, 869302, 989482, 1093638, 1179767, 1303953, 1484223, 1598394, 1614418, 2359534, 2421627, 2607906, 2968446, 3463187, 3539301, 4843254, 5650463, 6926374, 7078602, 8258369, 10389561, 11300926, 15336971, 16516738, 16951389, 20779122, 24775107, 30673942, 33902778, 46010913, 49550214, 92021826, 107358797, 214717594, 322076391, 644152782]

約数ペア:

[(1, 644152782), (2, 322076391), (3, 214717594), (6, 107358797), (7, 92021826), (13, 49550214), (14, 46010913), (19, 33902778), (21, 30673942), (26, 24775107), (31, 20779122), (38, 16951389), (39, 16516738), (42, 15336971), (57, 11300926), (62, 10389561), (78, 8258369), (91, 7078602), (93, 6926374), (114, 5650463), (133, 4843254), (182, 3539301), (186, 3463187), (217, 2968446), (247, 2607906), (266, 2421627), (273, 2359534), (399, 1614418), (403, 1598394), (434, 1484223), (494, 1303953), (546, 1179767), (589, 1093638), (651, 989482), (741, 869302), (798, 807209), (806, 799197), (1178, 546819), (1209, 532798), (1302, 494741), (1482, 434651), (1729, 372558), (1767, 364546), (2003, 321594), (2418, 266399), (2821, 228342), (3458, 186279), (3534, 182273), (4006, 160797), (4123, 156234), (5187, 124186), (5642, 114171), (6009, 107198), (7657, 84126), (8246, 78117), (8463, 76114), (10374, 62093), (12018, 53599), (12369, 52078), (14021, 45942), (15314, 42063), (16926, 38057), (22971, 28042), (24738, 26039)]