81955630

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{463}}^1\times {\mathrm{571}}^1$

素因数の和:1072

約数の個数: 32

約数和(自身を含む): 152875008

約数和(自身を除く): 70919378

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 463, 571, 926, 1142, 2315, 2855, 4630, 5710, 14353, 17701, 28706, 35402, 71765, 88505, 143530, 177010, 264373, 528746, 1321865, 2643730, 8195563, 16391126, 40977815, 81955630]

約数ペア:

[(1, 81955630), (2, 40977815), (5, 16391126), (10, 8195563), (31, 2643730), (62, 1321865), (155, 528746), (310, 264373), (463, 177010), (571, 143530), (926, 88505), (1142, 71765), (2315, 35402), (2855, 28706), (4630, 17701), (5710, 14353)]