1990307942

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{23279}}^1$

素因数の和:23516

約数の個数: 32

約数和(自身を含む): 3540049920

約数和(自身を除く): 1549741978

約数列:

[1, 2, 7, 14, 31, 62, 197, 217, 394, 434, 1379, 2758, 6107, 12214, 23279, 42749, 46558, 85498, 162953, 325906, 721649, 1443298, 4585963, 5051543, 9171926, 10103086, 32101741, 64203482, 142164853, 284329706, 995153971, 1990307942]

約数ペア:

[(1, 1990307942), (2, 995153971), (7, 284329706), (14, 142164853), (31, 64203482), (62, 32101741), (197, 10103086), (217, 9171926), (394, 5051543), (434, 4585963), (1379, 1443298), (2758, 721649), (6107, 325906), (12214, 162953), (23279, 85498), (42749, 46558)]