25393576

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 55036800

約数和(自身を除く): 29643224

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 71, 76, 104, 142, 152, 181, 247, 284, 362, 494, 568, 724, 923, 988, 1349, 1448, 1846, 1976, 2353, 2698, 3439, 3692, 4706, 5396, 6878, 7384, 9412, 10792, 12851, 13756, 17537, 18824, 25702, 27512, 35074, 44707, 51404, 70148, 89414, 102808, 140296, 167063, 178828, 244169, 334126, 357656, 488338, 668252, 976676, 1336504, 1953352, 3174197, 6348394, 12696788, 25393576]

約数ペア:

[(1, 25393576), (2, 12696788), (4, 6348394), (8, 3174197), (13, 1953352), (19, 1336504), (26, 976676), (38, 668252), (52, 488338), (71, 357656), (76, 334126), (104, 244169), (142, 178828), (152, 167063), (181, 140296), (247, 102808), (284, 89414), (362, 70148), (494, 51404), (568, 44707), (724, 35074), (923, 27512), (988, 25702), (1349, 18824), (1448, 17537), (1846, 13756), (1976, 12851), (2353, 10792), (2698, 9412), (3439, 7384), (3692, 6878), (4706, 5396)]