1287661936

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{1619}}^1\times {\mathrm{4519}}^1$

素因数の和:6157

約数の個数: 40

約数和(自身を含む): 2723932800

約数和(自身を除く): 1436270864

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 1619, 3238, 4519, 6476, 9038, 12952, 17809, 18076, 25904, 35618, 36152, 49709, 71236, 72304, 99418, 142472, 198836, 284944, 397672, 795344, 7316261, 14632522, 29265044, 58530088, 80478871, 117060176, 160957742, 321915484, 643830968, 1287661936]

約数ペア:

[(1, 1287661936), (2, 643830968), (4, 321915484), (8, 160957742), (11, 117060176), (16, 80478871), (22, 58530088), (44, 29265044), (88, 14632522), (176, 7316261), (1619, 795344), (3238, 397672), (4519, 284944), (6476, 198836), (9038, 142472), (12952, 99418), (17809, 72304), (18076, 71236), (25904, 49709), (35618, 36152)]