2779071715

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:508

約数の個数: 64

約数和(自身を含む): 4059611136

約数和(自身を除く): 1280539421

約数列:

[1, 5, 7, 23, 35, 113, 115, 137, 161, 223, 565, 685, 791, 805, 959, 1115, 1561, 2599, 3151, 3955, 4795, 5129, 7805, 12995, 15481, 15755, 18193, 22057, 25199, 25645, 30551, 35903, 77405, 90965, 108367, 110285, 125995, 152755, 176393, 179515, 213857, 356063, 541835, 579577, 702673, 881965, 1069285, 1780315, 2492441, 2897885, 3452263, 3513365, 4057039, 4918711, 12462205, 17261315, 20285195, 24165841, 24593555, 79402049, 120829205, 397010245, 555814343, 2779071715]

約数ペア:

[(1, 2779071715), (5, 555814343), (7, 397010245), (23, 120829205), (35, 79402049), (113, 24593555), (115, 24165841), (137, 20285195), (161, 17261315), (223, 12462205), (565, 4918711), (685, 4057039), (791, 3513365), (805, 3452263), (959, 2897885), (1115, 2492441), (1561, 1780315), (2599, 1069285), (3151, 881965), (3955, 702673), (4795, 579577), (5129, 541835), (7805, 356063), (12995, 213857), (15481, 179515), (15755, 176393), (18193, 152755), (22057, 125995), (25199, 110285), (25645, 108367), (30551, 90965), (35903, 77405)]