1645291256

素因数分解:

$2^3\times 7^1\times {\mathrm{359}}^1\times {\mathrm{81839}}^1$

素因数の和:82211

約数の個数: 32

約数和(自身を含む): 3535488000

約数和(自身を除く): 1890196744

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 359, 718, 1436, 2513, 2872, 5026, 10052, 20104, 81839, 163678, 327356, 572873, 654712, 1145746, 2291492, 4582984, 29380201, 58760402, 117520804, 205661407, 235041608, 411322814, 822645628, 1645291256]

約数ペア:

[(1, 1645291256), (2, 822645628), (4, 411322814), (7, 235041608), (8, 205661407), (14, 117520804), (28, 58760402), (56, 29380201), (359, 4582984), (718, 2291492), (1436, 1145746), (2513, 654712), (2872, 572873), (5026, 327356), (10052, 163678), (20104, 81839)]