260869216

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{31}}^2\times {\mathrm{499}}^1$

素因数の和:588

約数の個数: 72

約数和(自身を含む): 563031000

約数和(自身を除く): 302161784

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 68, 124, 136, 248, 272, 496, 499, 527, 544, 961, 992, 998, 1054, 1922, 1996, 2108, 3844, 3992, 4216, 7688, 7984, 8432, 8483, 15376, 15469, 15968, 16337, 16864, 16966, 30752, 30938, 32674, 33932, 61876, 65348, 67864, 123752, 130696, 135728, 247504, 261392, 262973, 271456, 479539, 495008, 522784, 525946, 959078, 1051892, 1918156, 2103784, 3836312, 4207568, 7672624, 8152163, 8415136, 15345248, 16304326, 32608652, 65217304, 130434608, 260869216]

約数ペア:

[(1, 260869216), (2, 130434608), (4, 65217304), (8, 32608652), (16, 16304326), (17, 15345248), (31, 8415136), (32, 8152163), (34, 7672624), (62, 4207568), (68, 3836312), (124, 2103784), (136, 1918156), (248, 1051892), (272, 959078), (496, 525946), (499, 522784), (527, 495008), (544, 479539), (961, 271456), (992, 262973), (998, 261392), (1054, 247504), (1922, 135728), (1996, 130696), (2108, 123752), (3844, 67864), (3992, 65348), (4216, 61876), (7688, 33932), (7984, 32674), (8432, 30938), (8483, 30752), (15376, 16966), (15469, 16864), (15968, 16337)]