461567990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{2161}}^1$

素因数の和:2265

約数の個数: 64

約数和(自身を含む): 941455872

約数和(自身を除く): 479887882

約数列:

[1, 2, 5, 10, 13, 26, 31, 53, 62, 65, 106, 130, 155, 265, 310, 403, 530, 689, 806, 1378, 1643, 2015, 2161, 3286, 3445, 4030, 4322, 6890, 8215, 10805, 16430, 21359, 21610, 28093, 42718, 56186, 66991, 106795, 114533, 133982, 140465, 213590, 229066, 280930, 334955, 572665, 669910, 870883, 1145330, 1488929, 1741766, 2977858, 3550523, 4354415, 7101046, 7444645, 8708830, 14889290, 17752615, 35505230, 46156799, 92313598, 230783995, 461567990]

約数ペア:

[(1, 461567990), (2, 230783995), (5, 92313598), (10, 46156799), (13, 35505230), (26, 17752615), (31, 14889290), (53, 8708830), (62, 7444645), (65, 7101046), (106, 4354415), (130, 3550523), (155, 2977858), (265, 1741766), (310, 1488929), (403, 1145330), (530, 870883), (689, 669910), (806, 572665), (1378, 334955), (1643, 280930), (2015, 229066), (2161, 213590), (3286, 140465), (3445, 133982), (4030, 114533), (4322, 106795), (6890, 66991), (8215, 56186), (10805, 42718), (16430, 28093), (21359, 21610)]