2009553784

素因数分解:

$2^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1\times {\mathrm{2111}}^1$

素因数の和:2404

約数の個数: 64

約数和(自身を含む): 4379443200

約数和(自身を除く): 2369889416

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 89, 178, 191, 356, 382, 623, 712, 764, 1246, 1337, 1528, 2111, 2492, 2674, 4222, 4984, 5348, 8444, 10696, 14777, 16888, 16999, 29554, 33998, 59108, 67996, 118216, 118993, 135992, 187879, 237986, 375758, 403201, 475972, 751516, 806402, 951944, 1315153, 1503032, 1612804, 2630306, 2822407, 3225608, 5260612, 5644814, 10521224, 11289628, 22579256, 35884889, 71769778, 143539556, 251194223, 287079112, 502388446, 1004776892, 2009553784]

約数ペア:

[(1, 2009553784), (2, 1004776892), (4, 502388446), (7, 287079112), (8, 251194223), (14, 143539556), (28, 71769778), (56, 35884889), (89, 22579256), (178, 11289628), (191, 10521224), (356, 5644814), (382, 5260612), (623, 3225608), (712, 2822407), (764, 2630306), (1246, 1612804), (1337, 1503032), (1528, 1315153), (2111, 951944), (2492, 806402), (2674, 751516), (4222, 475972), (4984, 403201), (5348, 375758), (8444, 237986), (10696, 187879), (14777, 135992), (16888, 118993), (16999, 118216), (29554, 67996), (33998, 59108)]