12898890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{571}}^1$

素因数の和:835

約数の個数: 48

約数和(自身を含む): 33729696

約数和(自身を除く): 20830806

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 251, 502, 571, 753, 1142, 1255, 1506, 1713, 2259, 2510, 2855, 3426, 3765, 4518, 5139, 5710, 7530, 8565, 10278, 11295, 17130, 22590, 25695, 51390, 143321, 286642, 429963, 716605, 859926, 1289889, 1433210, 2149815, 2579778, 4299630, 6449445, 12898890]

約数ペア:

[(1, 12898890), (2, 6449445), (3, 4299630), (5, 2579778), (6, 2149815), (9, 1433210), (10, 1289889), (15, 859926), (18, 716605), (30, 429963), (45, 286642), (90, 143321), (251, 51390), (502, 25695), (571, 22590), (753, 17130), (1142, 11295), (1255, 10278), (1506, 8565), (1713, 7530), (2259, 5710), (2510, 5139), (2855, 4518), (3426, 3765)]