253225856

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4909}}^1$

素因数の和:4967

約数の個数: 64

約数和(自身を含む): 560918400

約数和(自身を除く): 307692544

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 403, 416, 496, 806, 832, 992, 1612, 1664, 1984, 3224, 3968, 4909, 6448, 9818, 12896, 19636, 25792, 39272, 51584, 63817, 78544, 127634, 152179, 157088, 255268, 304358, 314176, 510536, 608716, 628352, 1021072, 1217432, 1978327, 2042144, 2434864, 3956654, 4084288, 4869728, 7913308, 8168576, 9739456, 15826616, 19478912, 31653232, 63306464, 126612928, 253225856]

約数ペア:

[(1, 253225856), (2, 126612928), (4, 63306464), (8, 31653232), (13, 19478912), (16, 15826616), (26, 9739456), (31, 8168576), (32, 7913308), (52, 4869728), (62, 4084288), (64, 3956654), (104, 2434864), (124, 2042144), (128, 1978327), (208, 1217432), (248, 1021072), (403, 628352), (416, 608716), (496, 510536), (806, 314176), (832, 304358), (992, 255268), (1612, 157088), (1664, 152179), (1984, 127634), (3224, 78544), (3968, 63817), (4909, 51584), (6448, 39272), (9818, 25792), (12896, 19636)]