972720025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{521}}^1$

素因数の和:762

約数の個数: 48

約数和(自身を含む): 1342199808

約数和(自身を除く): 369479783

約数列:

[1, 5, 17, 23, 25, 85, 115, 191, 391, 425, 521, 575, 955, 1955, 2605, 3247, 4393, 4775, 8857, 9775, 11983, 13025, 16235, 21965, 44285, 59915, 74681, 81175, 99511, 109825, 203711, 221425, 299575, 373405, 497555, 1018555, 1691687, 1867025, 2288753, 2487775, 5092775, 8458435, 11443765, 38908801, 42292175, 57218825, 194544005, 972720025]

約数ペア:

[(1, 972720025), (5, 194544005), (17, 57218825), (23, 42292175), (25, 38908801), (85, 11443765), (115, 8458435), (191, 5092775), (391, 2487775), (425, 2288753), (521, 1867025), (575, 1691687), (955, 1018555), (1955, 497555), (2605, 373405), (3247, 299575), (4393, 221425), (4775, 203711), (8857, 109825), (9775, 99511), (11983, 81175), (13025, 74681), (16235, 59915), (21965, 44285)]