71340828

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1997}}^1$

素因数の和:2246

約数の個数: 48

約数和(自身を含む): 180139680

約数和(自身を除く): 108798852

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 229, 458, 687, 916, 1374, 1997, 2748, 2977, 3994, 5954, 5991, 7988, 8931, 11908, 11982, 17862, 23964, 25961, 35724, 51922, 77883, 103844, 155766, 311532, 457313, 914626, 1371939, 1829252, 2743878, 5487756, 5945069, 11890138, 17835207, 23780276, 35670414, 71340828]

約数ペア:

[(1, 71340828), (2, 35670414), (3, 23780276), (4, 17835207), (6, 11890138), (12, 5945069), (13, 5487756), (26, 2743878), (39, 1829252), (52, 1371939), (78, 914626), (156, 457313), (229, 311532), (458, 155766), (687, 103844), (916, 77883), (1374, 51922), (1997, 35724), (2748, 25961), (2977, 23964), (3994, 17862), (5954, 11982), (5991, 11908), (7988, 8931)]