25438164

素因数分解:

$2^2\times 3^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{409}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 61165440

約数和(自身を除く): 35727276

約数列:

[1, 2, 3, 4, 6, 12, 71, 73, 142, 146, 213, 219, 284, 292, 409, 426, 438, 818, 852, 876, 1227, 1636, 2454, 4908, 5183, 10366, 15549, 20732, 29039, 29857, 31098, 58078, 59714, 62196, 87117, 89571, 116156, 119428, 174234, 179142, 348468, 358284, 2119847, 4239694, 6359541, 8479388, 12719082, 25438164]

約数ペア:

[(1, 25438164), (2, 12719082), (3, 8479388), (4, 6359541), (6, 4239694), (12, 2119847), (71, 358284), (73, 348468), (142, 179142), (146, 174234), (213, 119428), (219, 116156), (284, 89571), (292, 87117), (409, 62196), (426, 59714), (438, 58078), (818, 31098), (852, 29857), (876, 29039), (1227, 20732), (1636, 15549), (2454, 10366), (4908, 5183)]