1311897616

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{12149}}^1$

素因数の和:12571

約数の個数: 40

約数和(自身を含む): 2698320600

約数和(自身を除く): 1386422984

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 397, 794, 1588, 3176, 6352, 6749, 12149, 13498, 24298, 26996, 48596, 53992, 97192, 107984, 194384, 206533, 413066, 826132, 1652264, 3304528, 4823153, 9646306, 19292612, 38585224, 77170448, 81993601, 163987202, 327974404, 655948808, 1311897616]

約数ペア:

[(1, 1311897616), (2, 655948808), (4, 327974404), (8, 163987202), (16, 81993601), (17, 77170448), (34, 38585224), (68, 19292612), (136, 9646306), (272, 4823153), (397, 3304528), (794, 1652264), (1588, 826132), (3176, 413066), (6352, 206533), (6749, 194384), (12149, 107984), (13498, 97192), (24298, 53992), (26996, 48596)]