64771408

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2273}}^1$

素因数の和:2431

約数の個数: 40

約数和(自身を含む): 136194408

約数和(自身を除く): 71423000

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 137, 208, 274, 548, 1096, 1781, 2192, 2273, 3562, 4546, 7124, 9092, 14248, 18184, 28496, 29549, 36368, 59098, 118196, 236392, 311401, 472784, 622802, 1245604, 2491208, 4048213, 4982416, 8096426, 16192852, 32385704, 64771408]

約数ペア:

[(1, 64771408), (2, 32385704), (4, 16192852), (8, 8096426), (13, 4982416), (16, 4048213), (26, 2491208), (52, 1245604), (104, 622802), (137, 472784), (208, 311401), (274, 236392), (548, 118196), (1096, 59098), (1781, 36368), (2192, 29549), (2273, 28496), (3562, 18184), (4546, 14248), (7124, 9092)]