638528592

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53857}}^1$

素因数の和:53900

約数の個数: 80

約数和(自身を含む): 1869949760

約数和(自身を除く): 1231421168

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 19, 24, 26, 38, 39, 48, 52, 57, 76, 78, 104, 114, 152, 156, 208, 228, 247, 304, 312, 456, 494, 624, 741, 912, 988, 1482, 1976, 2964, 3952, 5928, 11856, 53857, 107714, 161571, 215428, 323142, 430856, 646284, 700141, 861712, 1023283, 1292568, 1400282, 2046566, 2100423, 2585136, 2800564, 3069849, 4093132, 4200846, 5601128, 6139698, 8186264, 8401692, 11202256, 12279396, 13302679, 16372528, 16803384, 24558792, 26605358, 33606768, 39908037, 49117584, 53210716, 79816074, 106421432, 159632148, 212842864, 319264296, 638528592]

約数ペア:

[(1, 638528592), (2, 319264296), (3, 212842864), (4, 159632148), (6, 106421432), (8, 79816074), (12, 53210716), (13, 49117584), (16, 39908037), (19, 33606768), (24, 26605358), (26, 24558792), (38, 16803384), (39, 16372528), (48, 13302679), (52, 12279396), (57, 11202256), (76, 8401692), (78, 8186264), (104, 6139698), (114, 5601128), (152, 4200846), (156, 4093132), (208, 3069849), (228, 2800564), (247, 2585136), (304, 2100423), (312, 2046566), (456, 1400282), (494, 1292568), (624, 1023283), (741, 861712), (912, 700141), (988, 646284), (1482, 430856), (1976, 323142), (2964, 215428), (3952, 161571), (5928, 107714), (11856, 53857)]