31880688

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{397}}^1$

素因数の和:654

約数の個数: 80

約数和(自身を含む): 94755840

約数和(自身を除く): 62875152

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 239, 336, 397, 478, 717, 794, 956, 1191, 1434, 1588, 1673, 1912, 2382, 2779, 2868, 3176, 3346, 3824, 4764, 5019, 5558, 5736, 6352, 6692, 8337, 9528, 10038, 11116, 11472, 13384, 16674, 19056, 20076, 22232, 26768, 33348, 40152, 44464, 66696, 80304, 94883, 133392, 189766, 284649, 379532, 569298, 664181, 759064, 1138596, 1328362, 1518128, 1992543, 2277192, 2656724, 3985086, 4554384, 5313448, 7970172, 10626896, 15940344, 31880688]

約数ペア:

[(1, 31880688), (2, 15940344), (3, 10626896), (4, 7970172), (6, 5313448), (7, 4554384), (8, 3985086), (12, 2656724), (14, 2277192), (16, 1992543), (21, 1518128), (24, 1328362), (28, 1138596), (42, 759064), (48, 664181), (56, 569298), (84, 379532), (112, 284649), (168, 189766), (239, 133392), (336, 94883), (397, 80304), (478, 66696), (717, 44464), (794, 40152), (956, 33348), (1191, 26768), (1434, 22232), (1588, 20076), (1673, 19056), (1912, 16674), (2382, 13384), (2779, 11472), (2868, 11116), (3176, 10038), (3346, 9528), (3824, 8337), (4764, 6692), (5019, 6352), (5558, 5736)]