26389688

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{149}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 54351000

約数和(自身を除く): 27961312

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 131, 149, 169, 262, 298, 338, 524, 596, 676, 1048, 1192, 1352, 1703, 1937, 3406, 3874, 6812, 7748, 13624, 15496, 19519, 22139, 25181, 39038, 44278, 50362, 78076, 88556, 100724, 156152, 177112, 201448, 253747, 507494, 1014988, 2029976, 3298711, 6597422, 13194844, 26389688]

約数ペア:

[(1, 26389688), (2, 13194844), (4, 6597422), (8, 3298711), (13, 2029976), (26, 1014988), (52, 507494), (104, 253747), (131, 201448), (149, 177112), (169, 156152), (262, 100724), (298, 88556), (338, 78076), (524, 50362), (596, 44278), (676, 39038), (1048, 25181), (1192, 22139), (1352, 19519), (1703, 15496), (1937, 13624), (3406, 7748), (3874, 6812)]