642208

素因数分解:

$2^5\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:125

約数の個数: 48

約数和(自身を含む): 1499904

約数和(自身を除く): 857696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 47, 56, 61, 94, 112, 122, 188, 224, 244, 329, 376, 427, 488, 658, 752, 854, 976, 1316, 1504, 1708, 1952, 2632, 2867, 3416, 5264, 5734, 6832, 10528, 11468, 13664, 20069, 22936, 40138, 45872, 80276, 91744, 160552, 321104, 642208]

約数ペア:

[(1, 642208), (2, 321104), (4, 160552), (7, 91744), (8, 80276), (14, 45872), (16, 40138), (28, 22936), (32, 20069), (47, 13664), (56, 11468), (61, 10528), (94, 6832), (112, 5734), (122, 5264), (188, 3416), (224, 2867), (244, 2632), (329, 1952), (376, 1708), (427, 1504), (488, 1316), (658, 976), (752, 854)]