71964926

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 121806720

約数和(自身を除く): 49841794

約数列:

[1, 2, 11, 22, 37, 74, 211, 407, 419, 422, 814, 838, 2321, 4609, 4642, 7807, 9218, 15503, 15614, 31006, 85877, 88409, 170533, 171754, 176818, 341066, 972499, 1944998, 3271133, 6542266, 35982463, 71964926]

約数ペア:

[(1, 71964926), (2, 35982463), (11, 6542266), (22, 3271133), (37, 1944998), (74, 972499), (211, 341066), (407, 176818), (419, 171754), (422, 170533), (814, 88409), (838, 85877), (2321, 31006), (4609, 15614), (4642, 15503), (7807, 9218)]