637591968

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8963}}^1$

素因数の和:9011

約数の個数: 144

約数和(自身を含む): 2055624480

約数和(自身を除く): 1418032512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 32, 36, 38, 39, 48, 52, 57, 72, 76, 78, 96, 104, 114, 117, 144, 152, 156, 171, 208, 228, 234, 247, 288, 304, 312, 342, 416, 456, 468, 494, 608, 624, 684, 741, 912, 936, 988, 1248, 1368, 1482, 1824, 1872, 1976, 2223, 2736, 2964, 3744, 3952, 4446, 5472, 5928, 7904, 8892, 8963, 11856, 17784, 17926, 23712, 26889, 35568, 35852, 53778, 71136, 71704, 80667, 107556, 116519, 143408, 161334, 170297, 215112, 233038, 286816, 322668, 340594, 349557, 430224, 466076, 510891, 645336, 681188, 699114, 860448, 932152, 1021782, 1048671, 1290672, 1362376, 1398228, 1532673, 1864304, 2043564, 2097342, 2213861, 2581344, 2724752, 2796456, 3065346, 3728608, 4087128, 4194684, 4427722, 5449504, 5592912, 6130692, 6641583, 8174256, 8389368, 8855444, 11185824, 12261384, 13283166, 16348512, 16778736, 17710888, 19924749, 24522768, 26566332, 33557472, 35421776, 39849498, 49045536, 53132664, 70843552, 79698996, 106265328, 159397992, 212530656, 318795984, 637591968]

約数ペア:

[(1, 637591968), (2, 318795984), (3, 212530656), (4, 159397992), (6, 106265328), (8, 79698996), (9, 70843552), (12, 53132664), (13, 49045536), (16, 39849498), (18, 35421776), (19, 33557472), (24, 26566332), (26, 24522768), (32, 19924749), (36, 17710888), (38, 16778736), (39, 16348512), (48, 13283166), (52, 12261384), (57, 11185824), (72, 8855444), (76, 8389368), (78, 8174256), (96, 6641583), (104, 6130692), (114, 5592912), (117, 5449504), (144, 4427722), (152, 4194684), (156, 4087128), (171, 3728608), (208, 3065346), (228, 2796456), (234, 2724752), (247, 2581344), (288, 2213861), (304, 2097342), (312, 2043564), (342, 1864304), (416, 1532673), (456, 1398228), (468, 1362376), (494, 1290672), (608, 1048671), (624, 1021782), (684, 932152), (741, 860448), (912, 699114), (936, 681188), (988, 645336), (1248, 510891), (1368, 466076), (1482, 430224), (1824, 349557), (1872, 340594), (1976, 322668), (2223, 286816), (2736, 233038), (2964, 215112), (3744, 170297), (3952, 161334), (4446, 143408), (5472, 116519), (5928, 107556), (7904, 80667), (8892, 71704), (8963, 71136), (11856, 53778), (17784, 35852), (17926, 35568), (23712, 26889)]