13206710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 27993600

約数和(自身を除く): 14786890

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 71, 89, 95, 110, 142, 178, 190, 209, 355, 418, 445, 710, 781, 890, 979, 1045, 1349, 1562, 1691, 1958, 2090, 2698, 3382, 3905, 4895, 6319, 6745, 7810, 8455, 9790, 12638, 13490, 14839, 16910, 18601, 29678, 31595, 37202, 63190, 69509, 74195, 93005, 120061, 139018, 148390, 186010, 240122, 347545, 600305, 695090, 1200610, 1320671, 2641342, 6603355, 13206710]

約数ペア:

[(1, 13206710), (2, 6603355), (5, 2641342), (10, 1320671), (11, 1200610), (19, 695090), (22, 600305), (38, 347545), (55, 240122), (71, 186010), (89, 148390), (95, 139018), (110, 120061), (142, 93005), (178, 74195), (190, 69509), (209, 63190), (355, 37202), (418, 31595), (445, 29678), (710, 18601), (781, 16910), (890, 14839), (979, 13490), (1045, 12638), (1349, 9790), (1562, 8455), (1691, 7810), (1958, 6745), (2090, 6319), (2698, 4895), (3382, 3905)]