1261991864

素因数分解:

$2^3\times 7^2\times {\mathrm{43}}^1\times {\mathrm{74869}}^1$

素因数の和:74932

約数の個数: 48

約数和(自身を含む): 2816609400

約数和(自身を除く): 1554617536

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 49, 56, 86, 98, 172, 196, 301, 344, 392, 602, 1204, 2107, 2408, 4214, 8428, 16856, 74869, 149738, 299476, 524083, 598952, 1048166, 2096332, 3219367, 3668581, 4192664, 6438734, 7337162, 12877468, 14674324, 22535569, 25754936, 29348648, 45071138, 90142276, 157748983, 180284552, 315497966, 630995932, 1261991864]

約数ペア:

[(1, 1261991864), (2, 630995932), (4, 315497966), (7, 180284552), (8, 157748983), (14, 90142276), (28, 45071138), (43, 29348648), (49, 25754936), (56, 22535569), (86, 14674324), (98, 12877468), (172, 7337162), (196, 6438734), (301, 4192664), (344, 3668581), (392, 3219367), (602, 2096332), (1204, 1048166), (2107, 598952), (2408, 524083), (4214, 299476), (8428, 149738), (16856, 74869)]