16638965

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{191}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 24330240

約数和(自身を除く): 7691275

約数列:

[1, 5, 7, 19, 35, 95, 131, 133, 191, 655, 665, 917, 955, 1337, 2489, 3629, 4585, 6685, 12445, 17423, 18145, 25021, 25403, 87115, 125105, 127015, 175147, 475399, 875735, 2376995, 3327793, 16638965]

約数ペア:

[(1, 16638965), (5, 3327793), (7, 2376995), (19, 875735), (35, 475399), (95, 175147), (131, 127015), (133, 125105), (191, 87115), (655, 25403), (665, 25021), (917, 18145), (955, 17423), (1337, 12445), (2489, 6685), (3629, 4585)]