208545012

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{241}}^1$

素因数の和:350

約数の個数: 108

約数和(自身を含む): 583627044

約数和(自身を除く): 375082032

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 241, 258, 387, 468, 482, 516, 559, 723, 774, 964, 1118, 1446, 1548, 1677, 1849, 2169, 2236, 2892, 3133, 3354, 3698, 4338, 5031, 5547, 6266, 6708, 7396, 8676, 9399, 10062, 10363, 11094, 12532, 16641, 18798, 20124, 20726, 22188, 24037, 28197, 31089, 33282, 37596, 41452, 48074, 56394, 62178, 66564, 72111, 93267, 96148, 112788, 124356, 134719, 144222, 186534, 216333, 269438, 288444, 373068, 404157, 432666, 445609, 538876, 808314, 865332, 891218, 1212471, 1336827, 1616628, 1782436, 2424942, 2673654, 4010481, 4849884, 5347308, 5792917, 8020962, 11585834, 16041924, 17378751, 23171668, 34757502, 52136253, 69515004, 104272506, 208545012]

約数ペア:

[(1, 208545012), (2, 104272506), (3, 69515004), (4, 52136253), (6, 34757502), (9, 23171668), (12, 17378751), (13, 16041924), (18, 11585834), (26, 8020962), (36, 5792917), (39, 5347308), (43, 4849884), (52, 4010481), (78, 2673654), (86, 2424942), (117, 1782436), (129, 1616628), (156, 1336827), (172, 1212471), (234, 891218), (241, 865332), (258, 808314), (387, 538876), (468, 445609), (482, 432666), (516, 404157), (559, 373068), (723, 288444), (774, 269438), (964, 216333), (1118, 186534), (1446, 144222), (1548, 134719), (1677, 124356), (1849, 112788), (2169, 96148), (2236, 93267), (2892, 72111), (3133, 66564), (3354, 62178), (3698, 56394), (4338, 48074), (5031, 41452), (5547, 37596), (6266, 33282), (6708, 31089), (7396, 28197), (8676, 24037), (9399, 22188), (10062, 20726), (10363, 20124), (11094, 18798), (12532, 16641)]