261371208

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{1555781}}^1$

素因数の和:1555797

約数の個数: 32

約数和(自身を含む): 746775360

約数和(自身を除く): 485404152

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 1555781, 3111562, 4667343, 6223124, 9334686, 10890467, 12446248, 18669372, 21780934, 32671401, 37338744, 43561868, 65342802, 87123736, 130685604, 261371208]

約数ペア:

[(1, 261371208), (2, 130685604), (3, 87123736), (4, 65342802), (6, 43561868), (7, 37338744), (8, 32671401), (12, 21780934), (14, 18669372), (21, 12446248), (24, 10890467), (28, 9334686), (42, 6223124), (56, 4667343), (84, 3111562), (168, 1555781)]