2017855216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{983}}^1$

素因数の和:1214

約数の個数: 80

約数和(自身を含む): 4304724480

約数和(自身を除く): 2286869264

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 139, 142, 208, 278, 284, 556, 568, 923, 983, 1112, 1136, 1807, 1846, 1966, 2224, 3614, 3692, 3932, 7228, 7384, 7864, 9869, 12779, 14456, 14768, 15728, 19738, 25558, 28912, 39476, 51116, 69793, 78952, 102232, 128297, 136637, 139586, 157904, 204464, 256594, 273274, 279172, 513188, 546548, 558344, 907309, 1026376, 1093096, 1116688, 1776281, 1814618, 2052752, 2186192, 3552562, 3629236, 7105124, 7258472, 9701227, 14210248, 14516944, 19402454, 28420496, 38804908, 77609816, 126115951, 155219632, 252231902, 504463804, 1008927608, 2017855216]

約数ペア:

[(1, 2017855216), (2, 1008927608), (4, 504463804), (8, 252231902), (13, 155219632), (16, 126115951), (26, 77609816), (52, 38804908), (71, 28420496), (104, 19402454), (139, 14516944), (142, 14210248), (208, 9701227), (278, 7258472), (284, 7105124), (556, 3629236), (568, 3552562), (923, 2186192), (983, 2052752), (1112, 1814618), (1136, 1776281), (1807, 1116688), (1846, 1093096), (1966, 1026376), (2224, 907309), (3614, 558344), (3692, 546548), (3932, 513188), (7228, 279172), (7384, 273274), (7864, 256594), (9869, 204464), (12779, 157904), (14456, 139586), (14768, 136637), (15728, 128297), (19738, 102232), (25558, 78952), (28912, 69793), (39476, 51116)]