139685455

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{523}}^1\times {\mathrm{587}}^1$

素因数の和:1135

約数の個数: 32

約数和(自身を含む): 207051264

約数和(自身を除く): 67365809

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 523, 587, 2615, 2935, 3661, 4109, 6799, 7631, 18305, 20545, 33995, 38155, 47593, 53417, 237965, 267085, 307001, 1535005, 2149007, 3991013, 10745035, 19955065, 27937091, 139685455]

約数ペア:

[(1, 139685455), (5, 27937091), (7, 19955065), (13, 10745035), (35, 3991013), (65, 2149007), (91, 1535005), (455, 307001), (523, 267085), (587, 237965), (2615, 53417), (2935, 47593), (3661, 38155), (4109, 33995), (6799, 20545), (7631, 18305)]