13893256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 30240000

約数和(自身を除く): 16346744

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 79, 89, 104, 152, 158, 178, 247, 316, 356, 494, 632, 712, 988, 1027, 1157, 1501, 1691, 1976, 2054, 2314, 3002, 3382, 4108, 4628, 6004, 6764, 7031, 8216, 9256, 12008, 13528, 14062, 19513, 21983, 28124, 39026, 43966, 56248, 78052, 87932, 91403, 133589, 156104, 175864, 182806, 267178, 365612, 534356, 731224, 1068712, 1736657, 3473314, 6946628, 13893256]

約数ペア:

[(1, 13893256), (2, 6946628), (4, 3473314), (8, 1736657), (13, 1068712), (19, 731224), (26, 534356), (38, 365612), (52, 267178), (76, 182806), (79, 175864), (89, 156104), (104, 133589), (152, 91403), (158, 87932), (178, 78052), (247, 56248), (316, 43966), (356, 39026), (494, 28124), (632, 21983), (712, 19513), (988, 14062), (1027, 13528), (1157, 12008), (1501, 9256), (1691, 8216), (1976, 7031), (2054, 6764), (2314, 6004), (3002, 4628), (3382, 4108)]