25993672

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 54331200

約数和(自身を除く): 28337528

約数列:

[1, 2, 4, 8, 19, 38, 41, 43, 76, 82, 86, 97, 152, 164, 172, 194, 328, 344, 388, 776, 779, 817, 1558, 1634, 1763, 1843, 3116, 3268, 3526, 3686, 3977, 4171, 6232, 6536, 7052, 7372, 7954, 8342, 14104, 14744, 15908, 16684, 31816, 33368, 33497, 66994, 75563, 79249, 133988, 151126, 158498, 171011, 267976, 302252, 316996, 342022, 604504, 633992, 684044, 1368088, 3249209, 6498418, 12996836, 25993672]

約数ペア:

[(1, 25993672), (2, 12996836), (4, 6498418), (8, 3249209), (19, 1368088), (38, 684044), (41, 633992), (43, 604504), (76, 342022), (82, 316996), (86, 302252), (97, 267976), (152, 171011), (164, 158498), (172, 151126), (194, 133988), (328, 79249), (344, 75563), (388, 66994), (776, 33497), (779, 33368), (817, 31816), (1558, 16684), (1634, 15908), (1763, 14744), (1843, 14104), (3116, 8342), (3268, 7954), (3526, 7372), (3686, 7052), (3977, 6536), (4171, 6232)]