28415530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:703

約数の個数: 64

約数和(自身を含む): 62125056

約数和(自身を除く): 33709526

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 130, 143, 155, 286, 310, 341, 403, 641, 682, 715, 806, 1282, 1430, 1705, 2015, 3205, 3410, 4030, 4433, 6410, 7051, 8333, 8866, 14102, 16666, 19871, 22165, 35255, 39742, 41665, 44330, 70510, 83330, 91663, 99355, 183326, 198710, 218581, 258323, 437162, 458315, 516646, 916630, 1092905, 1291615, 2185810, 2583230, 2841553, 5683106, 14207765, 28415530]

約数ペア:

[(1, 28415530), (2, 14207765), (5, 5683106), (10, 2841553), (11, 2583230), (13, 2185810), (22, 1291615), (26, 1092905), (31, 916630), (55, 516646), (62, 458315), (65, 437162), (110, 258323), (130, 218581), (143, 198710), (155, 183326), (286, 99355), (310, 91663), (341, 83330), (403, 70510), (641, 44330), (682, 41665), (715, 39742), (806, 35255), (1282, 22165), (1430, 19871), (1705, 16666), (2015, 14102), (3205, 8866), (3410, 8333), (4030, 7051), (4433, 6410)]