64840636

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1699}}^1$

素因数の和:1786

約数の個数: 48

約数和(自身を含む): 137088000

約数和(自身を除く): 72247364

約数列:

[1, 2, 4, 7, 14, 28, 29, 47, 58, 94, 116, 188, 203, 329, 406, 658, 812, 1316, 1363, 1699, 2726, 3398, 5452, 6796, 9541, 11893, 19082, 23786, 38164, 47572, 49271, 79853, 98542, 159706, 197084, 319412, 344897, 558971, 689794, 1117942, 1379588, 2235884, 2315737, 4631474, 9262948, 16210159, 32420318, 64840636]

約数ペア:

[(1, 64840636), (2, 32420318), (4, 16210159), (7, 9262948), (14, 4631474), (28, 2315737), (29, 2235884), (47, 1379588), (58, 1117942), (94, 689794), (116, 558971), (188, 344897), (203, 319412), (329, 197084), (406, 159706), (658, 98542), (812, 79853), (1316, 49271), (1363, 47572), (1699, 38164), (2726, 23786), (3398, 19082), (5452, 11893), (6796, 9541)]