42121478

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 78821424

約数和(自身を除く): 36699946

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 131, 193, 238, 262, 386, 833, 917, 1351, 1666, 1834, 2227, 2702, 3281, 4454, 6419, 6562, 9457, 12838, 15589, 18914, 22967, 25283, 31178, 45934, 50566, 109123, 160769, 176981, 218246, 321538, 353962, 429811, 859622, 1238867, 2477734, 3008677, 6017354, 21060739, 42121478]

約数ペア:

[(1, 42121478), (2, 21060739), (7, 6017354), (14, 3008677), (17, 2477734), (34, 1238867), (49, 859622), (98, 429811), (119, 353962), (131, 321538), (193, 218246), (238, 176981), (262, 160769), (386, 109123), (833, 50566), (917, 45934), (1351, 31178), (1666, 25283), (1834, 22967), (2227, 18914), (2702, 15589), (3281, 12838), (4454, 9457), (6419, 6562)]