251209244

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{457}}^1$

素因数の和:547

約数の個数: 72

約数和(自身を含む): 534837744

約数和(自身を除く): 283628500

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 62, 124, 143, 286, 341, 403, 457, 572, 682, 806, 914, 961, 1364, 1612, 1828, 1922, 3844, 4433, 5027, 5941, 8866, 10054, 10571, 11882, 12493, 14167, 17732, 20108, 21142, 23764, 24986, 28334, 42284, 49972, 56668, 65351, 130702, 137423, 155837, 184171, 261404, 274846, 311674, 368342, 439177, 549692, 623348, 736684, 878354, 1756708, 2025881, 4051762, 4830947, 5709301, 8103524, 9661894, 11418602, 19323788, 22837204, 62802311, 125604622, 251209244]

約数ペア:

[(1, 251209244), (2, 125604622), (4, 62802311), (11, 22837204), (13, 19323788), (22, 11418602), (26, 9661894), (31, 8103524), (44, 5709301), (52, 4830947), (62, 4051762), (124, 2025881), (143, 1756708), (286, 878354), (341, 736684), (403, 623348), (457, 549692), (572, 439177), (682, 368342), (806, 311674), (914, 274846), (961, 261404), (1364, 184171), (1612, 155837), (1828, 137423), (1922, 130702), (3844, 65351), (4433, 56668), (5027, 49972), (5941, 42284), (8866, 28334), (10054, 24986), (10571, 23764), (11882, 21142), (12493, 20108), (14167, 17732)]