257908248

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{275543}}^1$

素因数の和:275568

約数の個数: 48

約数和(自身を含む): 752235120

約数和(自身を除く): 494326872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 275543, 551086, 826629, 1102172, 1653258, 2204344, 2479887, 3306516, 3582059, 4959774, 6613032, 7164118, 9919548, 10746177, 14328236, 19839096, 21492354, 28656472, 32238531, 42984708, 64477062, 85969416, 128954124, 257908248]

約数ペア:

[(1, 257908248), (2, 128954124), (3, 85969416), (4, 64477062), (6, 42984708), (8, 32238531), (9, 28656472), (12, 21492354), (13, 19839096), (18, 14328236), (24, 10746177), (26, 9919548), (36, 7164118), (39, 6613032), (52, 4959774), (72, 3582059), (78, 3306516), (104, 2479887), (117, 2204344), (156, 1653258), (234, 1102172), (312, 826629), (468, 551086), (936, 275543)]