77609390

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1\times {\mathrm{389}}^1$

素因数の和:748

約数の個数: 32

約数和(自身を含む): 142534080

約数和(自身を除く): 64924690

約数列:

[1, 2, 5, 10, 71, 142, 281, 355, 389, 562, 710, 778, 1405, 1945, 2810, 3890, 19951, 27619, 39902, 55238, 99755, 109309, 138095, 199510, 218618, 276190, 546545, 1093090, 7760939, 15521878, 38804695, 77609390]

約数ペア:

[(1, 77609390), (2, 38804695), (5, 15521878), (10, 7760939), (71, 1093090), (142, 546545), (281, 276190), (355, 218618), (389, 199510), (562, 138095), (710, 109309), (778, 99755), (1405, 55238), (1945, 39902), (2810, 27619), (3890, 19951)]