1239404816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{11437}}^1$

素因数の和:11979

約数の個数: 40

約数和(自身を含む): 2591256024

約数和(自身を除く): 1351851208

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 521, 1042, 2084, 4168, 6773, 8336, 11437, 13546, 22874, 27092, 45748, 54184, 91496, 108368, 148681, 182992, 297362, 594724, 1189448, 2378896, 5958677, 11917354, 23834708, 47669416, 77462801, 95338832, 154925602, 309851204, 619702408, 1239404816]

約数ペア:

[(1, 1239404816), (2, 619702408), (4, 309851204), (8, 154925602), (13, 95338832), (16, 77462801), (26, 47669416), (52, 23834708), (104, 11917354), (208, 5958677), (521, 2378896), (1042, 1189448), (2084, 594724), (4168, 297362), (6773, 182992), (8336, 148681), (11437, 108368), (13546, 91496), (22874, 54184), (27092, 45748)]