1291464

素因数分解:

$2^3\times 3^4\times {\mathrm{1993}}^1$

素因数の和:2011

約数の個数: 40

約数和(自身を含む): 3619110

約数和(自身を除く): 2327646

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 1993, 3986, 5979, 7972, 11958, 15944, 17937, 23916, 35874, 47832, 53811, 71748, 107622, 143496, 161433, 215244, 322866, 430488, 645732, 1291464]

約数ペア:

[(1, 1291464), (2, 645732), (3, 430488), (4, 322866), (6, 215244), (8, 161433), (9, 143496), (12, 107622), (18, 71748), (24, 53811), (27, 47832), (36, 35874), (54, 23916), (72, 17937), (81, 15944), (108, 11958), (162, 7972), (216, 5979), (324, 3986), (648, 1993)]