66831835

素因数分解:

$5^1\times 7^4\times {\mathrm{19}}^1\times {\mathrm{293}}^1$

素因数の和:345

約数の個数: 40

約数和(自身を含む): 98819280

約数和(自身を除く): 31987445

約数列:

[1, 5, 7, 19, 35, 49, 95, 133, 245, 293, 343, 665, 931, 1465, 1715, 2051, 2401, 4655, 5567, 6517, 10255, 12005, 14357, 27835, 32585, 38969, 45619, 71785, 100499, 194845, 228095, 272783, 502495, 703493, 1363915, 1909481, 3517465, 9547405, 13366367, 66831835]

約数ペア:

[(1, 66831835), (5, 13366367), (7, 9547405), (19, 3517465), (35, 1909481), (49, 1363915), (95, 703493), (133, 502495), (245, 272783), (293, 228095), (343, 194845), (665, 100499), (931, 71785), (1465, 45619), (1715, 38969), (2051, 32585), (2401, 27835), (4655, 14357), (5567, 12005), (6517, 10255)]