291270456

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{212917}}^1$

素因数の和:212948

約数の個数: 48

約数和(自身を含む): 830380200

約数和(自身を除く): 539109744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 212917, 425834, 638751, 851668, 1277502, 1703336, 1916253, 2555004, 3832506, 4045423, 5110008, 7665012, 8090846, 12136269, 15330024, 16181692, 24272538, 32363384, 36408807, 48545076, 72817614, 97090152, 145635228, 291270456]

約数ペア:

[(1, 291270456), (2, 145635228), (3, 97090152), (4, 72817614), (6, 48545076), (8, 36408807), (9, 32363384), (12, 24272538), (18, 16181692), (19, 15330024), (24, 12136269), (36, 8090846), (38, 7665012), (57, 5110008), (72, 4045423), (76, 3832506), (114, 2555004), (152, 1916253), (171, 1703336), (228, 1277502), (342, 851668), (456, 638751), (684, 425834), (1368, 212917)]