266985498

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{18911}}^1$

素因数の和:19110

約数の個数: 32

約数和(自身を含む): 578253312

約数和(自身を除く): 311267814

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 181, 362, 543, 1086, 2353, 4706, 7059, 14118, 18911, 37822, 56733, 113466, 245843, 491686, 737529, 1475058, 3422891, 6845782, 10268673, 20537346, 44497583, 88995166, 133492749, 266985498]

約数ペア:

[(1, 266985498), (2, 133492749), (3, 88995166), (6, 44497583), (13, 20537346), (26, 10268673), (39, 6845782), (78, 3422891), (181, 1475058), (362, 737529), (543, 491686), (1086, 245843), (2353, 113466), (4706, 56733), (7059, 37822), (14118, 18911)]