420677048

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{12289}}^1$

素因数の和:12695

約数の個数: 32

約数和(自身を含む): 862758000

約数和(自身を除く): 442080952

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 389, 778, 1556, 3112, 4279, 8558, 12289, 17116, 24578, 34232, 49156, 98312, 135179, 270358, 540716, 1081432, 4780421, 9560842, 19121684, 38243368, 52584631, 105169262, 210338524, 420677048]

約数ペア:

[(1, 420677048), (2, 210338524), (4, 105169262), (8, 52584631), (11, 38243368), (22, 19121684), (44, 9560842), (88, 4780421), (389, 1081432), (778, 540716), (1556, 270358), (3112, 135179), (4279, 98312), (8558, 49156), (12289, 34232), (17116, 24578)]