25899952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{521}}^1$

素因数の和:781

約数の個数: 40

約数和(自身を含む): 54371520

約数和(自身を除く): 28471568

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 239, 478, 521, 956, 1042, 1912, 2084, 3107, 3824, 4168, 6214, 6773, 8336, 12428, 13546, 24856, 27092, 49712, 54184, 108368, 124519, 249038, 498076, 996152, 1618747, 1992304, 3237494, 6474988, 12949976, 25899952]

約数ペア:

[(1, 25899952), (2, 12949976), (4, 6474988), (8, 3237494), (13, 1992304), (16, 1618747), (26, 996152), (52, 498076), (104, 249038), (208, 124519), (239, 108368), (478, 54184), (521, 49712), (956, 27092), (1042, 24856), (1912, 13546), (2084, 12428), (3107, 8336), (3824, 6773), (4168, 6214)]