7990146

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{383}}^1$

素因数の和:471

約数の個数: 48

約数和(自身を含む): 18570240

約数和(自身を除く): 10580094

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 61, 114, 122, 171, 183, 342, 366, 383, 549, 766, 1098, 1149, 1159, 2298, 2318, 3447, 3477, 6894, 6954, 7277, 10431, 14554, 20862, 21831, 23363, 43662, 46726, 65493, 70089, 130986, 140178, 210267, 420534, 443897, 887794, 1331691, 2663382, 3995073, 7990146]

約数ペア:

[(1, 7990146), (2, 3995073), (3, 2663382), (6, 1331691), (9, 887794), (18, 443897), (19, 420534), (38, 210267), (57, 140178), (61, 130986), (114, 70089), (122, 65493), (171, 46726), (183, 43662), (342, 23363), (366, 21831), (383, 20862), (549, 14554), (766, 10431), (1098, 7277), (1149, 6954), (1159, 6894), (2298, 3477), (2318, 3447)]