1638502008

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1699}}^1$

素因数の和:2013

約数の個数: 128

約数和(自身を含む): 4832352000

約数和(自身を除く): 3193849992

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 22, 24, 26, 33, 39, 44, 52, 66, 78, 88, 104, 132, 143, 156, 264, 281, 286, 312, 429, 562, 572, 843, 858, 1124, 1144, 1686, 1699, 1716, 2248, 3091, 3372, 3398, 3432, 3653, 5097, 6182, 6744, 6796, 7306, 9273, 10194, 10959, 12364, 13592, 14612, 18546, 18689, 20388, 21918, 22087, 24728, 29224, 37092, 37378, 40183, 40776, 43836, 44174, 56067, 66261, 74184, 74756, 80366, 87672, 88348, 112134, 120549, 132522, 149512, 160732, 176696, 224268, 241098, 242957, 265044, 321464, 448536, 477419, 482196, 485914, 530088, 728871, 954838, 964392, 971828, 1432257, 1457742, 1909676, 1943656, 2864514, 2915484, 3819352, 5251609, 5729028, 5830968, 6206447, 10503218, 11458056, 12412894, 15754827, 18619341, 21006436, 24825788, 31509654, 37238682, 42012872, 49651576, 63019308, 68270917, 74477364, 126038616, 136541834, 148954728, 204812751, 273083668, 409625502, 546167336, 819251004, 1638502008]

約数ペア:

[(1, 1638502008), (2, 819251004), (3, 546167336), (4, 409625502), (6, 273083668), (8, 204812751), (11, 148954728), (12, 136541834), (13, 126038616), (22, 74477364), (24, 68270917), (26, 63019308), (33, 49651576), (39, 42012872), (44, 37238682), (52, 31509654), (66, 24825788), (78, 21006436), (88, 18619341), (104, 15754827), (132, 12412894), (143, 11458056), (156, 10503218), (264, 6206447), (281, 5830968), (286, 5729028), (312, 5251609), (429, 3819352), (562, 2915484), (572, 2864514), (843, 1943656), (858, 1909676), (1124, 1457742), (1144, 1432257), (1686, 971828), (1699, 964392), (1716, 954838), (2248, 728871), (3091, 530088), (3372, 485914), (3398, 482196), (3432, 477419), (3653, 448536), (5097, 321464), (6182, 265044), (6744, 242957), (6796, 241098), (7306, 224268), (9273, 176696), (10194, 160732), (10959, 149512), (12364, 132522), (13592, 120549), (14612, 112134), (18546, 88348), (18689, 87672), (20388, 80366), (21918, 74756), (22087, 74184), (24728, 66261), (29224, 56067), (37092, 44174), (37378, 43836), (40183, 40776)]