989562010

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{7963}}^1$

素因数の和:8047

約数の個数: 48

約数和(自身を含む): 1936398816

約数和(自身を除く): 946836806

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 289, 430, 578, 731, 1445, 1462, 2890, 3655, 7310, 7963, 12427, 15926, 24854, 39815, 62135, 79630, 124270, 135371, 270742, 342409, 676855, 684818, 1353710, 1712045, 2301307, 3424090, 4602614, 5820953, 11506535, 11641906, 23013070, 29104765, 58209530, 98956201, 197912402, 494781005, 989562010]

約数ペア:

[(1, 989562010), (2, 494781005), (5, 197912402), (10, 98956201), (17, 58209530), (34, 29104765), (43, 23013070), (85, 11641906), (86, 11506535), (170, 5820953), (215, 4602614), (289, 3424090), (430, 2301307), (578, 1712045), (731, 1353710), (1445, 684818), (1462, 676855), (2890, 342409), (3655, 270742), (7310, 135371), (7963, 124270), (12427, 79630), (15926, 62135), (24854, 39815)]