25251304

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{983}}^1$

素因数の和:1034

約数の個数: 48

約数和(自身を含む): 54021600

約数和(自身を除く): 28770296

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 169, 247, 338, 494, 676, 983, 988, 1352, 1966, 1976, 3211, 3932, 6422, 7864, 12779, 12844, 18677, 25558, 25688, 37354, 51116, 74708, 102232, 149416, 166127, 242801, 332254, 485602, 664508, 971204, 1329016, 1942408, 3156413, 6312826, 12625652, 25251304]

約数ペア:

[(1, 25251304), (2, 12625652), (4, 6312826), (8, 3156413), (13, 1942408), (19, 1329016), (26, 971204), (38, 664508), (52, 485602), (76, 332254), (104, 242801), (152, 166127), (169, 149416), (247, 102232), (338, 74708), (494, 51116), (676, 37354), (983, 25688), (988, 25558), (1352, 18677), (1966, 12844), (1976, 12779), (3211, 7864), (3932, 6422)]