31274158

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 50916096

約数和(自身を除く): 19641938

約数列:

[1, 2, 23, 43, 46, 86, 97, 163, 194, 326, 989, 1978, 2231, 3749, 4171, 4462, 7009, 7498, 8342, 14018, 15811, 31622, 95933, 161207, 191866, 322414, 363653, 679873, 727306, 1359746, 15637079, 31274158]

約数ペア:

[(1, 31274158), (2, 15637079), (23, 1359746), (43, 727306), (46, 679873), (86, 363653), (97, 322414), (163, 191866), (194, 161207), (326, 95933), (989, 31622), (1978, 15811), (2231, 14018), (3749, 8342), (4171, 7498), (4462, 7009)]