1640609859

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{39839}}^1$

素因数の和:39939

約数の個数: 32

約数和(自身を含む): 2616053760

約数和(自身を除く): 975443901

約数列:

[1, 3, 7, 21, 37, 53, 111, 159, 259, 371, 777, 1113, 1961, 5883, 13727, 39839, 41181, 119517, 278873, 836619, 1474043, 2111467, 4422129, 6334401, 10318301, 14780269, 30954903, 44340807, 78124279, 234372837, 546869953, 1640609859]

約数ペア:

[(1, 1640609859), (3, 546869953), (7, 234372837), (21, 78124279), (37, 44340807), (53, 30954903), (111, 14780269), (159, 10318301), (259, 6334401), (371, 4422129), (777, 2111467), (1113, 1474043), (1961, 836619), (5883, 278873), (13727, 119517), (39839, 41181)]