2220348

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 5726336

約数和(自身を除く): 3505988

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 172, 258, 331, 516, 559, 662, 993, 1118, 1324, 1677, 1986, 2236, 3354, 3972, 4303, 6708, 8606, 12909, 14233, 17212, 25818, 28466, 42699, 51636, 56932, 85398, 170796, 185029, 370058, 555087, 740116, 1110174, 2220348]

約数ペア:

[(1, 2220348), (2, 1110174), (3, 740116), (4, 555087), (6, 370058), (12, 185029), (13, 170796), (26, 85398), (39, 56932), (43, 51636), (52, 42699), (78, 28466), (86, 25818), (129, 17212), (156, 14233), (172, 12909), (258, 8606), (331, 6708), (516, 4303), (559, 3972), (662, 3354), (993, 2236), (1118, 1986), (1324, 1677)]