28218164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 56963088

約数和(自身を除く): 28744924

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 137, 221, 233, 274, 442, 466, 548, 884, 932, 1781, 2329, 3029, 3562, 3961, 4658, 6058, 7124, 7922, 9316, 12116, 15844, 30277, 31921, 51493, 60554, 63842, 102986, 121108, 127684, 205972, 414973, 542657, 829946, 1085314, 1659892, 2170628, 7054541, 14109082, 28218164]

約数ペア:

[(1, 28218164), (2, 14109082), (4, 7054541), (13, 2170628), (17, 1659892), (26, 1085314), (34, 829946), (52, 542657), (68, 414973), (137, 205972), (221, 127684), (233, 121108), (274, 102986), (442, 63842), (466, 60554), (548, 51493), (884, 31921), (932, 30277), (1781, 15844), (2329, 12116), (3029, 9316), (3562, 7922), (3961, 7124), (4658, 6058)]