207980726

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{491}}^1$

素因数の和:740

約数の個数: 32

約数和(自身を含む): 335819520

約数和(自身を除く): 127838794

約数列:

[1, 2, 19, 38, 71, 142, 157, 314, 491, 982, 1349, 2698, 2983, 5966, 9329, 11147, 18658, 22294, 34861, 69722, 77087, 154174, 211793, 423586, 662359, 1324718, 1464653, 2929306, 5473177, 10946354, 103990363, 207980726]

約数ペア:

[(1, 207980726), (2, 103990363), (19, 10946354), (38, 5473177), (71, 2929306), (142, 1464653), (157, 1324718), (314, 662359), (491, 423586), (982, 211793), (1349, 154174), (2698, 77087), (2983, 69722), (5966, 34861), (9329, 22294), (11147, 18658)]