405128984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{829}}^1$

素因数の和:1012

約数の個数: 64

約数和(自身を含む): 847795200

約数和(自身を除く): 442666216

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 74, 104, 127, 148, 254, 296, 481, 508, 829, 962, 1016, 1651, 1658, 1924, 3302, 3316, 3848, 4699, 6604, 6632, 9398, 10777, 13208, 18796, 21554, 30673, 37592, 43108, 61087, 61346, 86216, 105283, 122174, 122692, 210566, 244348, 245384, 398749, 421132, 488696, 797498, 842264, 1368679, 1594996, 2737358, 3189992, 3895471, 5474716, 7790942, 10949432, 15581884, 31163768, 50641123, 101282246, 202564492, 405128984]

約数ペア:

[(1, 405128984), (2, 202564492), (4, 101282246), (8, 50641123), (13, 31163768), (26, 15581884), (37, 10949432), (52, 7790942), (74, 5474716), (104, 3895471), (127, 3189992), (148, 2737358), (254, 1594996), (296, 1368679), (481, 842264), (508, 797498), (829, 488696), (962, 421132), (1016, 398749), (1651, 245384), (1658, 244348), (1924, 210566), (3302, 122692), (3316, 122174), (3848, 105283), (4699, 86216), (6604, 61346), (6632, 61087), (9398, 43108), (10777, 37592), (13208, 30673), (18796, 21554)]