26808808

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 55339200

約数和(自身を除く): 28530392

約数列:

[1, 2, 4, 8, 13, 26, 52, 79, 104, 158, 169, 251, 316, 338, 502, 632, 676, 1004, 1027, 1352, 2008, 2054, 3263, 4108, 6526, 8216, 13052, 13351, 19829, 26104, 26702, 39658, 42419, 53404, 79316, 84838, 106808, 158632, 169676, 257777, 339352, 515554, 1031108, 2062216, 3351101, 6702202, 13404404, 26808808]

約数ペア:

[(1, 26808808), (2, 13404404), (4, 6702202), (8, 3351101), (13, 2062216), (26, 1031108), (52, 515554), (79, 339352), (104, 257777), (158, 169676), (169, 158632), (251, 106808), (316, 84838), (338, 79316), (502, 53404), (632, 42419), (676, 39658), (1004, 26702), (1027, 26104), (1352, 19829), (2008, 13351), (2054, 13052), (3263, 8216), (4108, 6526)]