257238067156

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1303}}^1\times {\mathrm{69809}}^1$

素因数の和:71224

約数の個数: 48

約数和(自身を含む): 519976154880

約数和(自身を除く): 262738087724

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1303, 1414, 2606, 2828, 5212, 9121, 18242, 36484, 69809, 131603, 139618, 263206, 279236, 488663, 526412, 921221, 977326, 1842442, 1954652, 3684884, 7050709, 14101418, 28202836, 49354963, 90961127, 98709926, 181922254, 197419852, 363844508, 636727889, 1273455778, 2546911556, 9187073827, 18374147654, 36748295308, 64309516789, 128619033578, 257238067156]

約数ペア:

[(1, 257238067156), (2, 128619033578), (4, 64309516789), (7, 36748295308), (14, 18374147654), (28, 9187073827), (101, 2546911556), (202, 1273455778), (404, 636727889), (707, 363844508), (1303, 197419852), (1414, 181922254), (2606, 98709926), (2828, 90961127), (5212, 49354963), (9121, 28202836), (18242, 14101418), (36484, 7050709), (69809, 3684884), (131603, 1954652), (139618, 1842442), (263206, 977326), (279236, 921221), (488663, 526412)]