253548256

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19661}}^1$

素因数の和:19715

約数の個数: 48

約数和(自身を含む): 554940288

約数和(自身を除く): 301392032

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1612, 3224, 6448, 12896, 19661, 39322, 78644, 157288, 255593, 314576, 511186, 609491, 629152, 1022372, 1218982, 2044744, 2437964, 4089488, 4875928, 7923383, 8178976, 9751856, 15846766, 19503712, 31693532, 63387064, 126774128, 253548256]

約数ペア:

[(1, 253548256), (2, 126774128), (4, 63387064), (8, 31693532), (13, 19503712), (16, 15846766), (26, 9751856), (31, 8178976), (32, 7923383), (52, 4875928), (62, 4089488), (104, 2437964), (124, 2044744), (208, 1218982), (248, 1022372), (403, 629152), (416, 609491), (496, 511186), (806, 314576), (992, 255593), (1612, 157288), (3224, 78644), (6448, 39322), (12896, 19661)]