31620918

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:757

約数の個数: 64

約数和(自身を含む): 77787648

約数和(自身を除く): 46166730

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 67, 102, 119, 134, 201, 238, 357, 402, 469, 661, 714, 938, 1139, 1322, 1407, 1983, 2278, 2814, 3417, 3966, 4627, 6834, 7973, 9254, 11237, 13881, 15946, 22474, 23919, 27762, 33711, 44287, 47838, 67422, 78659, 88574, 132861, 157318, 235977, 265722, 310009, 471954, 620018, 752879, 930027, 1505758, 1860054, 2258637, 4517274, 5270153, 10540306, 15810459, 31620918]

約数ペア:

[(1, 31620918), (2, 15810459), (3, 10540306), (6, 5270153), (7, 4517274), (14, 2258637), (17, 1860054), (21, 1505758), (34, 930027), (42, 752879), (51, 620018), (67, 471954), (102, 310009), (119, 265722), (134, 235977), (201, 157318), (238, 132861), (357, 88574), (402, 78659), (469, 67422), (661, 47838), (714, 44287), (938, 33711), (1139, 27762), (1322, 23919), (1407, 22474), (1983, 15946), (2278, 13881), (2814, 11237), (3417, 9254), (3966, 7973), (4627, 6834)]