25297792

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:711

約数の個数: 64

約数和(自身を含む): 56720160

約数和(自身を除く): 31422368

約数列:

[1, 2, 4, 8, 13, 16, 23, 26, 32, 46, 52, 64, 92, 104, 128, 184, 208, 299, 368, 416, 598, 661, 736, 832, 1196, 1322, 1472, 1664, 2392, 2644, 2944, 4784, 5288, 8593, 9568, 10576, 15203, 17186, 19136, 21152, 30406, 34372, 38272, 42304, 60812, 68744, 84608, 121624, 137488, 197639, 243248, 274976, 395278, 486496, 549952, 790556, 972992, 1099904, 1581112, 1945984, 3162224, 6324448, 12648896, 25297792]

約数ペア:

[(1, 25297792), (2, 12648896), (4, 6324448), (8, 3162224), (13, 1945984), (16, 1581112), (23, 1099904), (26, 972992), (32, 790556), (46, 549952), (52, 486496), (64, 395278), (92, 274976), (104, 243248), (128, 197639), (184, 137488), (208, 121624), (299, 84608), (368, 68744), (416, 60812), (598, 42304), (661, 38272), (736, 34372), (832, 30406), (1196, 21152), (1322, 19136), (1472, 17186), (1664, 15203), (2392, 10576), (2644, 9568), (2944, 8593), (4784, 5288)]