261515690696

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{136343}}^1\times {\mathrm{18443}}^1$

素因数の和:154805

約数の個数: 32

約数和(自身を含む): 528093034560

約数和(自身を除く): 266577343864

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 18443, 36886, 73772, 136343, 147544, 239759, 272686, 479518, 545372, 959036, 1090744, 1772459, 1918072, 3544918, 7089836, 14179672, 2514573949, 5029147898, 10058295796, 20116591592, 32689461337, 65378922674, 130757845348, 261515690696]

約数ペア:

[(1, 261515690696), (2, 130757845348), (4, 65378922674), (8, 32689461337), (13, 20116591592), (26, 10058295796), (52, 5029147898), (104, 2514573949), (18443, 14179672), (36886, 7089836), (73772, 3544918), (136343, 1918072), (147544, 1772459), (239759, 1090744), (272686, 959036), (479518, 545372)]