261365402

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1\times {\mathrm{349}}^1$

素因数の和:686

約数の個数: 32

約数和(自身を含む): 416102400

約数和(自身を除く): 154736998

約数列:

[1, 2, 31, 47, 62, 94, 257, 349, 514, 698, 1457, 2914, 7967, 10819, 12079, 15934, 16403, 21638, 24158, 32806, 89693, 179386, 374449, 508493, 748898, 1016986, 2780483, 4215571, 5560966, 8431142, 130682701, 261365402]

約数ペア:

[(1, 261365402), (2, 130682701), (31, 8431142), (47, 5560966), (62, 4215571), (94, 2780483), (257, 1016986), (349, 748898), (514, 508493), (698, 374449), (1457, 179386), (2914, 89693), (7967, 32806), (10819, 24158), (12079, 21638), (15934, 16403)]