78875888

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1$

素因数の和:215

約数の個数: 120

約数和(自身を含む): 195924960

約数和(自身を除く): 117049072

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 71, 91, 98, 104, 109, 112, 142, 182, 196, 208, 218, 284, 364, 392, 436, 497, 568, 637, 728, 763, 784, 872, 923, 994, 1136, 1274, 1417, 1456, 1526, 1744, 1846, 1988, 2548, 2834, 3052, 3479, 3692, 3976, 5096, 5341, 5668, 6104, 6461, 6958, 7384, 7739, 7952, 9919, 10192, 10682, 11336, 12208, 12922, 13916, 14768, 15478, 19838, 21364, 22672, 25844, 27832, 30956, 39676, 42728, 45227, 51688, 54173, 55664, 61912, 69433, 79352, 85456, 90454, 100607, 103376, 108346, 123824, 138866, 158704, 180908, 201214, 216692, 277732, 361816, 379211, 402428, 433384, 555464, 704249, 723632, 758422, 804856, 866768, 1110928, 1408498, 1516844, 1609712, 2816996, 3033688, 4929743, 5633992, 6067376, 9859486, 11267984, 19718972, 39437944, 78875888]

約数ペア:

[(1, 78875888), (2, 39437944), (4, 19718972), (7, 11267984), (8, 9859486), (13, 6067376), (14, 5633992), (16, 4929743), (26, 3033688), (28, 2816996), (49, 1609712), (52, 1516844), (56, 1408498), (71, 1110928), (91, 866768), (98, 804856), (104, 758422), (109, 723632), (112, 704249), (142, 555464), (182, 433384), (196, 402428), (208, 379211), (218, 361816), (284, 277732), (364, 216692), (392, 201214), (436, 180908), (497, 158704), (568, 138866), (637, 123824), (728, 108346), (763, 103376), (784, 100607), (872, 90454), (923, 85456), (994, 79352), (1136, 69433), (1274, 61912), (1417, 55664), (1456, 54173), (1526, 51688), (1744, 45227), (1846, 42728), (1988, 39676), (2548, 30956), (2834, 27832), (3052, 25844), (3479, 22672), (3692, 21364), (3976, 19838), (5096, 15478), (5341, 14768), (5668, 13916), (6104, 12922), (6461, 12208), (6958, 11336), (7384, 10682), (7739, 10192), (7952, 9919)]