261091314

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:440

約数の個数: 96

約数和(自身を含む): 640650816

約数和(自身を除く): 379559502

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 37, 66, 74, 99, 111, 157, 198, 222, 227, 314, 333, 407, 454, 471, 666, 681, 814, 942, 1221, 1362, 1413, 1727, 2043, 2442, 2497, 2826, 3454, 3663, 4086, 4994, 5181, 5809, 7326, 7491, 8399, 10362, 11618, 14982, 15543, 16798, 17427, 22473, 25197, 31086, 34854, 35639, 44946, 50394, 52281, 63899, 71278, 75591, 92389, 104562, 106917, 127798, 151182, 184778, 191697, 213834, 277167, 320751, 383394, 392029, 554334, 575091, 641502, 784058, 831501, 1150182, 1176087, 1318643, 1663002, 2352174, 2637286, 3528261, 3955929, 7056522, 7911858, 11867787, 14505073, 23735574, 29010146, 43515219, 87030438, 130545657, 261091314]

約数ペア:

[(1, 261091314), (2, 130545657), (3, 87030438), (6, 43515219), (9, 29010146), (11, 23735574), (18, 14505073), (22, 11867787), (33, 7911858), (37, 7056522), (66, 3955929), (74, 3528261), (99, 2637286), (111, 2352174), (157, 1663002), (198, 1318643), (222, 1176087), (227, 1150182), (314, 831501), (333, 784058), (407, 641502), (454, 575091), (471, 554334), (666, 392029), (681, 383394), (814, 320751), (942, 277167), (1221, 213834), (1362, 191697), (1413, 184778), (1727, 151182), (2043, 127798), (2442, 106917), (2497, 104562), (2826, 92389), (3454, 75591), (3663, 71278), (4086, 63899), (4994, 52281), (5181, 50394), (5809, 44946), (7326, 35639), (7491, 34854), (8399, 31086), (10362, 25197), (11618, 22473), (14982, 17427), (15543, 16798)]