257891664

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{185267}}^1$

素因数の和:185307

約数の個数: 40

約数和(自身を含む): 689196960

約数和(自身を除く): 431305296

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 58, 87, 116, 174, 232, 348, 464, 696, 1392, 185267, 370534, 555801, 741068, 1111602, 1482136, 2223204, 2964272, 4446408, 5372743, 8892816, 10745486, 16118229, 21490972, 32236458, 42981944, 64472916, 85963888, 128945832, 257891664]

約数ペア:

[(1, 257891664), (2, 128945832), (3, 85963888), (4, 64472916), (6, 42981944), (8, 32236458), (12, 21490972), (16, 16118229), (24, 10745486), (29, 8892816), (48, 5372743), (58, 4446408), (87, 2964272), (116, 2223204), (174, 1482136), (232, 1111602), (348, 741068), (464, 555801), (696, 370534), (1392, 185267)]