28305272541

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{887}}^1\times {\mathrm{2851}}^1$

素因数の和:3802

約数の個数: 64

約数和(自身を含む): 47652950016

約数和(自身を除く): 19347677475

約数列:

[1, 3, 7, 13, 21, 39, 41, 91, 123, 273, 287, 533, 861, 887, 1599, 2661, 2851, 3731, 6209, 8553, 11193, 11531, 18627, 19957, 34593, 36367, 37063, 59871, 80717, 109101, 111189, 116891, 242151, 254569, 259441, 350673, 472771, 763707, 778323, 818237, 1418313, 1519583, 2454711, 2528837, 3309397, 4558749, 7586511, 9928191, 10637081, 17701859, 31911243, 32874881, 53105577, 98624643, 103682317, 230124167, 311046951, 690372501, 725776219, 1347870121, 2177328657, 4043610363, 9435090847, 28305272541]

約数ペア:

[(1, 28305272541), (3, 9435090847), (7, 4043610363), (13, 2177328657), (21, 1347870121), (39, 725776219), (41, 690372501), (91, 311046951), (123, 230124167), (273, 103682317), (287, 98624643), (533, 53105577), (861, 32874881), (887, 31911243), (1599, 17701859), (2661, 10637081), (2851, 9928191), (3731, 7586511), (6209, 4558749), (8553, 3309397), (11193, 2528837), (11531, 2454711), (18627, 1519583), (19957, 1418313), (34593, 818237), (36367, 778323), (37063, 763707), (59871, 472771), (80717, 350673), (109101, 259441), (111189, 254569), (116891, 242151)]