1218812959

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{151}}^1\times {\mathrm{6823}}^1$

素因数の和:7007

約数の個数: 24

約数和(自身を含む): 1518531072

約数和(自身を除く): 299718113

約数列:

[1, 7, 13, 91, 151, 169, 1057, 1183, 1963, 6823, 13741, 25519, 47761, 88699, 178633, 620893, 1030273, 1153087, 7211911, 8071609, 13393549, 93754843, 174116137, 1218812959]

約数ペア:

[(1, 1218812959), (7, 174116137), (13, 93754843), (91, 13393549), (151, 8071609), (169, 7211911), (1057, 1153087), (1183, 1030273), (1963, 620893), (6823, 178633), (13741, 88699), (25519, 47761)]