8416668

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1$

素因数の和:514

約数の個数: 48

約数和(自身を含む): 21343616

約数和(自身を除く): 12926948

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 163, 326, 331, 489, 652, 662, 978, 993, 1324, 1956, 1986, 2119, 3972, 4238, 4303, 6357, 8476, 8606, 12714, 12909, 17212, 25428, 25818, 51636, 53953, 107906, 161859, 215812, 323718, 647436, 701389, 1402778, 2104167, 2805556, 4208334, 8416668]

約数ペア:

[(1, 8416668), (2, 4208334), (3, 2805556), (4, 2104167), (6, 1402778), (12, 701389), (13, 647436), (26, 323718), (39, 215812), (52, 161859), (78, 107906), (156, 53953), (163, 51636), (326, 25818), (331, 25428), (489, 17212), (652, 12909), (662, 12714), (978, 8606), (993, 8476), (1324, 6357), (1956, 4303), (1986, 4238), (2119, 3972)]