216861384

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:379

約数の個数: 128

約数和(自身を含む): 602173440

約数和(自身を除く): 385312056

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 43, 47, 51, 68, 86, 94, 102, 129, 136, 141, 172, 188, 204, 258, 263, 282, 344, 376, 408, 516, 526, 564, 731, 789, 799, 1032, 1052, 1128, 1462, 1578, 1598, 2021, 2104, 2193, 2397, 2924, 3156, 3196, 4042, 4386, 4471, 4794, 5848, 6063, 6312, 6392, 8084, 8772, 8942, 9588, 11309, 12126, 12361, 13413, 16168, 17544, 17884, 19176, 22618, 24252, 24722, 26826, 33927, 34357, 35768, 37083, 45236, 48504, 49444, 53652, 67854, 68714, 74166, 90472, 98888, 103071, 107304, 135708, 137428, 148332, 192253, 206142, 210137, 271416, 274856, 296664, 384506, 412284, 420274, 531523, 576759, 630411, 769012, 824568, 840548, 1063046, 1153518, 1260822, 1538024, 1594569, 1681096, 2126092, 2307036, 2521644, 3189138, 4252184, 4614072, 5043288, 6378276, 9035891, 12756552, 18071782, 27107673, 36143564, 54215346, 72287128, 108430692, 216861384]

約数ペア:

[(1, 216861384), (2, 108430692), (3, 72287128), (4, 54215346), (6, 36143564), (8, 27107673), (12, 18071782), (17, 12756552), (24, 9035891), (34, 6378276), (43, 5043288), (47, 4614072), (51, 4252184), (68, 3189138), (86, 2521644), (94, 2307036), (102, 2126092), (129, 1681096), (136, 1594569), (141, 1538024), (172, 1260822), (188, 1153518), (204, 1063046), (258, 840548), (263, 824568), (282, 769012), (344, 630411), (376, 576759), (408, 531523), (516, 420274), (526, 412284), (564, 384506), (731, 296664), (789, 274856), (799, 271416), (1032, 210137), (1052, 206142), (1128, 192253), (1462, 148332), (1578, 137428), (1598, 135708), (2021, 107304), (2104, 103071), (2193, 98888), (2397, 90472), (2924, 74166), (3156, 68714), (3196, 67854), (4042, 53652), (4386, 49444), (4471, 48504), (4794, 45236), (5848, 37083), (6063, 35768), (6312, 34357), (6392, 33927), (8084, 26826), (8772, 24722), (8942, 24252), (9588, 22618), (11309, 19176), (12126, 17884), (12361, 17544), (13413, 16168)]