28398916

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1279}}^1$

素因数の和:1364

約数の個数: 48

約数和(自身を含む): 62218240

約数和(自身を除く): 33819324

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 61, 91, 122, 182, 244, 364, 427, 793, 854, 1279, 1586, 1708, 2558, 3172, 5116, 5551, 8953, 11102, 16627, 17906, 22204, 33254, 35812, 66508, 78019, 116389, 156038, 232778, 312076, 465556, 546133, 1014247, 1092266, 2028494, 2184532, 4056988, 7099729, 14199458, 28398916]

約数ペア:

[(1, 28398916), (2, 14199458), (4, 7099729), (7, 4056988), (13, 2184532), (14, 2028494), (26, 1092266), (28, 1014247), (52, 546133), (61, 465556), (91, 312076), (122, 232778), (182, 156038), (244, 116389), (364, 78019), (427, 66508), (793, 35812), (854, 33254), (1279, 22204), (1586, 17906), (1708, 16627), (2558, 11102), (3172, 8953), (5116, 5551)]