268549251

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{419}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 381024000

約数和(自身を除く): 112474749

約数列:

[1, 3, 29, 53, 87, 139, 159, 417, 419, 1257, 1537, 4031, 4611, 7367, 12093, 12151, 22101, 22207, 36453, 58241, 66621, 174723, 213643, 640929, 644003, 1688989, 1932009, 3086773, 5066967, 9260319, 89516417, 268549251]

約数ペア:

[(1, 268549251), (3, 89516417), (29, 9260319), (53, 5066967), (87, 3086773), (139, 1932009), (159, 1688989), (417, 644003), (419, 640929), (1257, 213643), (1537, 174723), (4031, 66621), (4611, 58241), (7367, 36453), (12093, 22207), (12151, 22101)]