87428432

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:221

約数の個数: 120

約数和(自身を含む): 217843200

約数和(自身を除く): 130414768

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 149, 169, 182, 208, 217, 248, 298, 338, 364, 403, 434, 496, 596, 676, 728, 806, 868, 1043, 1183, 1192, 1352, 1456, 1612, 1736, 1937, 2086, 2366, 2384, 2704, 2821, 3224, 3472, 3874, 4172, 4619, 4732, 5239, 5642, 6448, 7748, 8344, 9238, 9464, 10478, 11284, 13559, 15496, 16688, 18476, 18928, 20956, 22568, 25181, 27118, 30992, 32333, 36673, 36952, 41912, 45136, 50362, 54236, 60047, 64666, 73346, 73904, 83824, 100724, 108472, 120094, 129332, 146692, 176267, 201448, 216944, 240188, 258664, 293384, 352534, 402896, 420329, 480376, 517328, 586768, 705068, 780611, 840658, 960752, 1410136, 1561222, 1681316, 2820272, 3122444, 3362632, 5464277, 6244888, 6725264, 10928554, 12489776, 21857108, 43714216, 87428432]

約数ペア:

[(1, 87428432), (2, 43714216), (4, 21857108), (7, 12489776), (8, 10928554), (13, 6725264), (14, 6244888), (16, 5464277), (26, 3362632), (28, 3122444), (31, 2820272), (52, 1681316), (56, 1561222), (62, 1410136), (91, 960752), (104, 840658), (112, 780611), (124, 705068), (149, 586768), (169, 517328), (182, 480376), (208, 420329), (217, 402896), (248, 352534), (298, 293384), (338, 258664), (364, 240188), (403, 216944), (434, 201448), (496, 176267), (596, 146692), (676, 129332), (728, 120094), (806, 108472), (868, 100724), (1043, 83824), (1183, 73904), (1192, 73346), (1352, 64666), (1456, 60047), (1612, 54236), (1736, 50362), (1937, 45136), (2086, 41912), (2366, 36952), (2384, 36673), (2704, 32333), (2821, 30992), (3224, 27118), (3472, 25181), (3874, 22568), (4172, 20956), (4619, 18928), (4732, 18476), (5239, 16688), (5642, 15496), (6448, 13559), (7748, 11284), (8344, 10478), (9238, 9464)]