261615384

素因数分解:

$2^3\times 3^2\times {\mathrm{131}}^1\times {\mathrm{27737}}^1$

素因数の和:27880

約数の個数: 48

約数和(自身を含む): 713976120

約数和(自身を除く): 452360736

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 131, 262, 393, 524, 786, 1048, 1179, 1572, 2358, 3144, 4716, 9432, 27737, 55474, 83211, 110948, 166422, 221896, 249633, 332844, 499266, 665688, 998532, 1997064, 3633547, 7267094, 10900641, 14534188, 21801282, 29068376, 32701923, 43602564, 65403846, 87205128, 130807692, 261615384]

約数ペア:

[(1, 261615384), (2, 130807692), (3, 87205128), (4, 65403846), (6, 43602564), (8, 32701923), (9, 29068376), (12, 21801282), (18, 14534188), (24, 10900641), (36, 7267094), (72, 3633547), (131, 1997064), (262, 998532), (393, 665688), (524, 499266), (786, 332844), (1048, 249633), (1179, 221896), (1572, 166422), (2358, 110948), (3144, 83211), (4716, 55474), (9432, 27737)]