87400315

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{809}}^1$

素因数の和:903

約数の個数: 32

約数和(自身を含む): 117573120

約数和(自身を除く): 30172805

約数列:

[1, 5, 17, 31, 41, 85, 155, 205, 527, 697, 809, 1271, 2635, 3485, 4045, 6355, 13753, 21607, 25079, 33169, 68765, 108035, 125395, 165845, 426343, 563873, 1028239, 2131715, 2819365, 5141195, 17480063, 87400315]

約数ペア:

[(1, 87400315), (5, 17480063), (17, 5141195), (31, 2819365), (41, 2131715), (85, 1028239), (155, 563873), (205, 426343), (527, 165845), (697, 125395), (809, 108035), (1271, 68765), (2635, 33169), (3485, 25079), (4045, 21607), (6355, 13753)]