64686664

素因数分解:

$2^3\times 7^2\times {\mathrm{47}}^1\times {\mathrm{3511}}^1$

素因数の和:3578

約数の個数: 48

約数和(自身を含む): 144132480

約数和(自身を除く): 79445816

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 49, 56, 94, 98, 188, 196, 329, 376, 392, 658, 1316, 2303, 2632, 3511, 4606, 7022, 9212, 14044, 18424, 24577, 28088, 49154, 98308, 165017, 172039, 196616, 330034, 344078, 660068, 688156, 1155119, 1320136, 1376312, 2310238, 4620476, 8085833, 9240952, 16171666, 32343332, 64686664]

約数ペア:

[(1, 64686664), (2, 32343332), (4, 16171666), (7, 9240952), (8, 8085833), (14, 4620476), (28, 2310238), (47, 1376312), (49, 1320136), (56, 1155119), (94, 688156), (98, 660068), (188, 344078), (196, 330034), (329, 196616), (376, 172039), (392, 165017), (658, 98308), (1316, 49154), (2303, 28088), (2632, 24577), (3511, 18424), (4606, 14044), (7022, 9212)]