64940288

素因数分解:

$2^8\times 7^2\times {\mathrm{31}}^1\times {\mathrm{167}}^1$

素因数の和:228

約数の個数: 108

約数和(自身を含む): 156586752

約数和(自身を除く): 91646464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 98, 112, 124, 128, 167, 196, 217, 224, 248, 256, 334, 392, 434, 448, 496, 668, 784, 868, 896, 992, 1169, 1336, 1519, 1568, 1736, 1792, 1984, 2338, 2672, 3038, 3136, 3472, 3968, 4676, 5177, 5344, 6076, 6272, 6944, 7936, 8183, 9352, 10354, 10688, 12152, 12544, 13888, 16366, 18704, 20708, 21376, 24304, 27776, 32732, 36239, 37408, 41416, 42752, 48608, 55552, 65464, 72478, 74816, 82832, 97216, 130928, 144956, 149632, 165664, 194432, 253673, 261856, 289912, 299264, 331328, 388864, 507346, 523712, 579824, 662656, 1014692, 1047424, 1159648, 1325312, 2029384, 2094848, 2319296, 4058768, 4638592, 8117536, 9277184, 16235072, 32470144, 64940288]

約数ペア:

[(1, 64940288), (2, 32470144), (4, 16235072), (7, 9277184), (8, 8117536), (14, 4638592), (16, 4058768), (28, 2319296), (31, 2094848), (32, 2029384), (49, 1325312), (56, 1159648), (62, 1047424), (64, 1014692), (98, 662656), (112, 579824), (124, 523712), (128, 507346), (167, 388864), (196, 331328), (217, 299264), (224, 289912), (248, 261856), (256, 253673), (334, 194432), (392, 165664), (434, 149632), (448, 144956), (496, 130928), (668, 97216), (784, 82832), (868, 74816), (896, 72478), (992, 65464), (1169, 55552), (1336, 48608), (1519, 42752), (1568, 41416), (1736, 37408), (1792, 36239), (1984, 32732), (2338, 27776), (2672, 24304), (3038, 21376), (3136, 20708), (3472, 18704), (3968, 16366), (4676, 13888), (5177, 12544), (5344, 12152), (6076, 10688), (6272, 10354), (6944, 9352), (7936, 8183)]