64643176

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 132583500

約数和(自身を除く): 67940324

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 137, 169, 274, 338, 349, 548, 676, 698, 1096, 1352, 1396, 1781, 2792, 3562, 4537, 7124, 9074, 14248, 18148, 23153, 36296, 46306, 47813, 58981, 92612, 95626, 117962, 185224, 191252, 235924, 382504, 471848, 621569, 1243138, 2486276, 4972552, 8080397, 16160794, 32321588, 64643176]

約数ペア:

[(1, 64643176), (2, 32321588), (4, 16160794), (8, 8080397), (13, 4972552), (26, 2486276), (52, 1243138), (104, 621569), (137, 471848), (169, 382504), (274, 235924), (338, 191252), (349, 185224), (548, 117962), (676, 95626), (698, 92612), (1096, 58981), (1352, 47813), (1396, 46306), (1781, 36296), (2792, 23153), (3562, 18148), (4537, 14248), (7124, 9074)]