1639231408

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{26263}}^1$

素因数の和:26401

約数の個数: 40

約数和(自身を含む): 3282789888

約数和(自身を除く): 1643558480

約数列:

[1, 2, 4, 8, 16, 47, 83, 94, 166, 188, 332, 376, 664, 752, 1328, 3901, 7802, 15604, 26263, 31208, 52526, 62416, 105052, 210104, 420208, 1234361, 2179829, 2468722, 4359658, 4937444, 8719316, 9874888, 17438632, 19749776, 34877264, 102451963, 204903926, 409807852, 819615704, 1639231408]

約数ペア:

[(1, 1639231408), (2, 819615704), (4, 409807852), (8, 204903926), (16, 102451963), (47, 34877264), (83, 19749776), (94, 17438632), (166, 9874888), (188, 8719316), (332, 4937444), (376, 4359658), (664, 2468722), (752, 2179829), (1328, 1234361), (3901, 420208), (7802, 210104), (15604, 105052), (26263, 62416), (31208, 52526)]