399257964

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{18211}}^1$

素因数の和:18260

約数の個数: 96

約数和(自身を含む): 1223846400

約数和(自身を除く): 824588436

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 29, 36, 42, 54, 58, 63, 84, 87, 108, 116, 126, 174, 189, 203, 252, 261, 348, 378, 406, 522, 609, 756, 783, 812, 1044, 1218, 1566, 1827, 2436, 3132, 3654, 5481, 7308, 10962, 18211, 21924, 36422, 54633, 72844, 109266, 127477, 163899, 218532, 254954, 327798, 382431, 491697, 509908, 528119, 655596, 764862, 983394, 1056238, 1147293, 1529724, 1584357, 1966788, 2112476, 2294586, 3168714, 3441879, 3696833, 4589172, 4753071, 6337428, 6883758, 7393666, 9506142, 11090499, 13767516, 14259213, 14787332, 19012284, 22180998, 28518426, 33271497, 44361996, 57036852, 66542994, 99814491, 133085988, 199628982, 399257964]

約数ペア:

[(1, 399257964), (2, 199628982), (3, 133085988), (4, 99814491), (6, 66542994), (7, 57036852), (9, 44361996), (12, 33271497), (14, 28518426), (18, 22180998), (21, 19012284), (27, 14787332), (28, 14259213), (29, 13767516), (36, 11090499), (42, 9506142), (54, 7393666), (58, 6883758), (63, 6337428), (84, 4753071), (87, 4589172), (108, 3696833), (116, 3441879), (126, 3168714), (174, 2294586), (189, 2112476), (203, 1966788), (252, 1584357), (261, 1529724), (348, 1147293), (378, 1056238), (406, 983394), (522, 764862), (609, 655596), (756, 528119), (783, 509908), (812, 491697), (1044, 382431), (1218, 327798), (1566, 254954), (1827, 218532), (2436, 163899), (3132, 127477), (3654, 109266), (5481, 72844), (7308, 54633), (10962, 36422), (18211, 21924)]