261617990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{29101}}^1$

素因数の和:29168

約数の個数: 32

約数和(自身を含む): 502882560

約数和(自身を除く): 241264570

約数列:

[1, 2, 5, 10, 29, 31, 58, 62, 145, 155, 290, 310, 899, 1798, 4495, 8990, 29101, 58202, 145505, 291010, 843929, 902131, 1687858, 1804262, 4219645, 4510655, 8439290, 9021310, 26161799, 52323598, 130808995, 261617990]

約数ペア:

[(1, 261617990), (2, 130808995), (5, 52323598), (10, 26161799), (29, 9021310), (31, 8439290), (58, 4510655), (62, 4219645), (145, 1804262), (155, 1687858), (290, 902131), (310, 843929), (899, 291010), (1798, 145505), (4495, 58202), (8990, 29101)]