664791654

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:565

約数の個数: 64

約数和(自身を含む): 1398862080

約数和(自身を除く): 734070426

約数列:

[1, 2, 3, 6, 37, 74, 83, 109, 111, 166, 218, 222, 249, 327, 331, 498, 654, 662, 993, 1986, 3071, 4033, 6142, 8066, 9047, 9213, 12099, 12247, 18094, 18426, 24198, 24494, 27141, 27473, 36079, 36741, 54282, 54946, 72158, 73482, 82419, 108237, 164838, 216474, 334739, 669478, 1004217, 1016501, 1334923, 2008434, 2033002, 2669846, 2994557, 3049503, 4004769, 5989114, 6099006, 8009538, 8983671, 17967342, 110798609, 221597218, 332395827, 664791654]

約数ペア:

[(1, 664791654), (2, 332395827), (3, 221597218), (6, 110798609), (37, 17967342), (74, 8983671), (83, 8009538), (109, 6099006), (111, 5989114), (166, 4004769), (218, 3049503), (222, 2994557), (249, 2669846), (327, 2033002), (331, 2008434), (498, 1334923), (654, 1016501), (662, 1004217), (993, 669478), (1986, 334739), (3071, 216474), (4033, 164838), (6142, 108237), (8066, 82419), (9047, 73482), (9213, 72158), (12099, 54946), (12247, 54282), (18094, 36741), (18426, 36079), (24198, 27473), (24494, 27141)]