81901876

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{601}}^1$

素因数の和:800

約数の個数: 48

約数和(自身を含む): 170447872

約数和(自身を除く): 88545996

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 157, 217, 314, 434, 601, 628, 868, 1099, 1202, 2198, 2404, 4207, 4396, 4867, 8414, 9734, 16828, 18631, 19468, 34069, 37262, 68138, 74524, 94357, 130417, 136276, 188714, 260834, 377428, 521668, 660499, 1320998, 2641996, 2925067, 5850134, 11700268, 20475469, 40950938, 81901876]

約数ペア:

[(1, 81901876), (2, 40950938), (4, 20475469), (7, 11700268), (14, 5850134), (28, 2925067), (31, 2641996), (62, 1320998), (124, 660499), (157, 521668), (217, 377428), (314, 260834), (434, 188714), (601, 136276), (628, 130417), (868, 94357), (1099, 74524), (1202, 68138), (2198, 37262), (2404, 34069), (4207, 19468), (4396, 18631), (4867, 16828), (8414, 9734)]