257909762

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 462672000

約数和(自身を除く): 204762238

約数列:

[1, 2, 11, 19, 22, 38, 41, 82, 101, 149, 202, 209, 298, 418, 451, 779, 902, 1111, 1558, 1639, 1919, 2222, 2831, 3278, 3838, 4141, 5662, 6109, 8282, 8569, 12218, 15049, 17138, 21109, 30098, 31141, 42218, 45551, 62282, 67199, 78679, 91102, 116071, 134398, 157358, 165539, 232142, 285931, 331078, 571862, 617009, 865469, 1234018, 1276781, 1730938, 2553562, 3145241, 6290482, 6787099, 11723171, 13574198, 23446342, 128954881, 257909762]

約数ペア:

[(1, 257909762), (2, 128954881), (11, 23446342), (19, 13574198), (22, 11723171), (38, 6787099), (41, 6290482), (82, 3145241), (101, 2553562), (149, 1730938), (202, 1276781), (209, 1234018), (298, 865469), (418, 617009), (451, 571862), (779, 331078), (902, 285931), (1111, 232142), (1558, 165539), (1639, 157358), (1919, 134398), (2222, 116071), (2831, 91102), (3278, 78679), (3838, 67199), (4141, 62282), (5662, 45551), (6109, 42218), (8282, 31141), (8569, 30098), (12218, 21109), (15049, 17138)]