139398812

素因数分解:

$2^2\times 7^1\times {\mathrm{509}}^1\times {\mathrm{9781}}^1$

素因数の和:10301

約数の個数: 24

約数和(自身を含む): 279373920

約数和(自身を除く): 139975108

約数列:

[1, 2, 4, 7, 14, 28, 509, 1018, 2036, 3563, 7126, 9781, 14252, 19562, 39124, 68467, 136934, 273868, 4978529, 9957058, 19914116, 34849703, 69699406, 139398812]

約数ペア:

[(1, 139398812), (2, 69699406), (4, 34849703), (7, 19914116), (14, 9957058), (28, 4978529), (509, 273868), (1018, 136934), (2036, 68467), (3563, 39124), (7126, 19562), (9781, 14252)]