251566648

素因数分解:

$2^3\times {\mathrm{29}}^2\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 493857000

約数和(自身を除く): 242290352

約数列:

[1, 2, 4, 8, 29, 58, 116, 139, 232, 269, 278, 538, 556, 841, 1076, 1112, 1682, 2152, 3364, 4031, 6728, 7801, 8062, 15602, 16124, 31204, 32248, 37391, 62408, 74782, 116899, 149564, 226229, 233798, 299128, 452458, 467596, 904916, 935192, 1084339, 1809832, 2168678, 4337356, 8674712, 31445831, 62891662, 125783324, 251566648]

約数ペア:

[(1, 251566648), (2, 125783324), (4, 62891662), (8, 31445831), (29, 8674712), (58, 4337356), (116, 2168678), (139, 1809832), (232, 1084339), (269, 935192), (278, 904916), (538, 467596), (556, 452458), (841, 299128), (1076, 233798), (1112, 226229), (1682, 149564), (2152, 116899), (3364, 74782), (4031, 62408), (6728, 37391), (7801, 32248), (8062, 31204), (15602, 16124)]