326958905

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:474

約数の個数: 64

約数和(自身を含む): 508032000

約数和(自身を除く): 181073095

約数列:

[1, 5, 7, 13, 29, 35, 65, 71, 91, 145, 203, 349, 355, 377, 455, 497, 923, 1015, 1745, 1885, 2059, 2443, 2485, 2639, 4537, 4615, 6461, 10121, 10295, 12215, 13195, 14413, 22685, 24779, 26767, 31759, 32305, 50605, 70847, 72065, 123895, 131573, 133835, 158795, 173453, 187369, 322127, 354235, 657865, 718591, 867265, 921011, 936845, 1610635, 2254889, 3592955, 4605055, 5030137, 9341683, 11274445, 25150685, 46708415, 65391781, 326958905]

約数ペア:

[(1, 326958905), (5, 65391781), (7, 46708415), (13, 25150685), (29, 11274445), (35, 9341683), (65, 5030137), (71, 4605055), (91, 3592955), (145, 2254889), (203, 1610635), (349, 936845), (355, 921011), (377, 867265), (455, 718591), (497, 657865), (923, 354235), (1015, 322127), (1745, 187369), (1885, 173453), (2059, 158795), (2443, 133835), (2485, 131573), (2639, 123895), (4537, 72065), (4615, 70847), (6461, 50605), (10121, 32305), (10295, 31759), (12215, 26767), (13195, 24779), (14413, 22685)]