28710416

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^2\times {\mathrm{887}}^1$

素因数の和:936

約数の個数: 60

約数和(自身を含む): 67608768

約数和(自身を除く): 38898352

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 289, 476, 578, 887, 952, 1156, 1774, 1904, 2023, 2312, 3548, 4046, 4624, 6209, 7096, 8092, 12418, 14192, 15079, 16184, 24836, 30158, 32368, 49672, 60316, 99344, 105553, 120632, 211106, 241264, 256343, 422212, 512686, 844424, 1025372, 1688848, 1794401, 2050744, 3588802, 4101488, 7177604, 14355208, 28710416]

約数ペア:

[(1, 28710416), (2, 14355208), (4, 7177604), (7, 4101488), (8, 3588802), (14, 2050744), (16, 1794401), (17, 1688848), (28, 1025372), (34, 844424), (56, 512686), (68, 422212), (112, 256343), (119, 241264), (136, 211106), (238, 120632), (272, 105553), (289, 99344), (476, 60316), (578, 49672), (887, 32368), (952, 30158), (1156, 24836), (1774, 16184), (1904, 15079), (2023, 14192), (2312, 12418), (3548, 8092), (4046, 7096), (4624, 6209)]