660689898

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1\times {\mathrm{821}}^1$

素因数の和:1063

約数の個数: 64

約数和(自身を含む): 1470130560

約数和(自身を除く): 809440662

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 89, 137, 178, 267, 274, 411, 534, 821, 822, 979, 1507, 1642, 1958, 2463, 2937, 3014, 4521, 4926, 5874, 9031, 9042, 12193, 18062, 24386, 27093, 36579, 54186, 73069, 73158, 112477, 134123, 146138, 219207, 224954, 268246, 337431, 402369, 438414, 674862, 803759, 804738, 1237247, 1607518, 2411277, 2474494, 3711741, 4822554, 7423482, 10010453, 20020906, 30031359, 60062718, 110114983, 220229966, 330344949, 660689898]

約数ペア:

[(1, 660689898), (2, 330344949), (3, 220229966), (6, 110114983), (11, 60062718), (22, 30031359), (33, 20020906), (66, 10010453), (89, 7423482), (137, 4822554), (178, 3711741), (267, 2474494), (274, 2411277), (411, 1607518), (534, 1237247), (821, 804738), (822, 803759), (979, 674862), (1507, 438414), (1642, 402369), (1958, 337431), (2463, 268246), (2937, 224954), (3014, 219207), (4521, 146138), (4926, 134123), (5874, 112477), (9031, 73158), (9042, 73069), (12193, 54186), (18062, 36579), (24386, 27093)]