671145839

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{1229}}^1$

素因数の和:1619

約数の個数: 32

約数和(自身を含む): 877806720

約数和(自身を除く): 206660881

約数列:

[1, 7, 13, 17, 91, 119, 221, 353, 1229, 1547, 2471, 4589, 6001, 8603, 15977, 20893, 32123, 42007, 78013, 111839, 146251, 271609, 433837, 546091, 1901263, 3036859, 5639881, 7375229, 39479167, 51626603, 95877977, 671145839]

約数ペア:

[(1, 671145839), (7, 95877977), (13, 51626603), (17, 39479167), (91, 7375229), (119, 5639881), (221, 3036859), (353, 1901263), (1229, 546091), (1547, 433837), (2471, 271609), (4589, 146251), (6001, 111839), (8603, 78013), (15977, 42007), (20893, 32123)]