28321290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10151}}^1$

素因数の和:10195

約数の個数: 48

約数和(自身を含む): 76018176

約数和(自身を除く): 47696886

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 31, 45, 62, 90, 93, 155, 186, 279, 310, 465, 558, 930, 1395, 2790, 10151, 20302, 30453, 50755, 60906, 91359, 101510, 152265, 182718, 304530, 314681, 456795, 629362, 913590, 944043, 1573405, 1888086, 2832129, 3146810, 4720215, 5664258, 9440430, 14160645, 28321290]

約数ペア:

[(1, 28321290), (2, 14160645), (3, 9440430), (5, 5664258), (6, 4720215), (9, 3146810), (10, 2832129), (15, 1888086), (18, 1573405), (30, 944043), (31, 913590), (45, 629362), (62, 456795), (90, 314681), (93, 304530), (155, 182718), (186, 152265), (279, 101510), (310, 91359), (465, 60906), (558, 50755), (930, 30453), (1395, 20302), (2790, 10151)]