42981838

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:360

約数の個数: 32

約数和(自身を含む): 69984000

約数和(自身を除く): 27002162

約数列:

[1, 2, 19, 38, 71, 89, 142, 178, 179, 358, 1349, 1691, 2698, 3382, 3401, 6319, 6802, 12638, 12709, 15931, 25418, 31862, 120061, 240122, 241471, 302689, 482942, 605378, 1131101, 2262202, 21490919, 42981838]

約数ペア:

[(1, 42981838), (2, 21490919), (19, 2262202), (38, 1131101), (71, 605378), (89, 482942), (142, 302689), (178, 241471), (179, 240122), (358, 120061), (1349, 31862), (1691, 25418), (2698, 15931), (3382, 12709), (3401, 12638), (6319, 6802)]