156959555

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 206219520

約数和(自身を除く): 49259965

約数列:

[1, 5, 17, 47, 85, 101, 235, 389, 505, 799, 1717, 1945, 3995, 4747, 6613, 8585, 18283, 23735, 33065, 39289, 80699, 91415, 196445, 310811, 403495, 667913, 1554055, 1846583, 3339565, 9232915, 31391911, 156959555]

約数ペア:

[(1, 156959555), (5, 31391911), (17, 9232915), (47, 3339565), (85, 1846583), (101, 1554055), (235, 667913), (389, 403495), (505, 310811), (799, 196445), (1717, 91415), (1945, 80699), (3995, 39289), (4747, 33065), (6613, 23735), (8585, 18283)]