2007683990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{1381}}^1$

素因数の和:1665

約数の個数: 64

約数和(自身を含む): 3986926272

約数和(自身を除く): 1979242282

約数列:

[1, 2, 5, 10, 13, 26, 53, 65, 106, 130, 211, 265, 422, 530, 689, 1055, 1378, 1381, 2110, 2743, 2762, 3445, 5486, 6890, 6905, 11183, 13715, 13810, 17953, 22366, 27430, 35906, 55915, 73193, 89765, 111830, 145379, 146386, 179530, 290758, 291391, 365965, 582782, 726895, 731930, 951509, 1453790, 1456955, 1903018, 2913910, 3788083, 4757545, 7576166, 9515090, 15443723, 18940415, 30887446, 37880830, 77218615, 154437230, 200768399, 401536798, 1003841995, 2007683990]

約数ペア:

[(1, 2007683990), (2, 1003841995), (5, 401536798), (10, 200768399), (13, 154437230), (26, 77218615), (53, 37880830), (65, 30887446), (106, 18940415), (130, 15443723), (211, 9515090), (265, 7576166), (422, 4757545), (530, 3788083), (689, 2913910), (1055, 1903018), (1378, 1456955), (1381, 1453790), (2110, 951509), (2743, 731930), (2762, 726895), (3445, 582782), (5486, 365965), (6890, 291391), (6905, 290758), (11183, 179530), (13715, 146386), (13810, 145379), (17953, 111830), (22366, 89765), (27430, 73193), (35906, 55915)]