81472325

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{1171}}^1$

素因数の和:1226

約数の個数: 36

約数和(自身を含む): 115971744

約数和(自身を除く): 34499419

約数列:

[1, 5, 11, 23, 25, 55, 115, 121, 253, 275, 575, 605, 1171, 1265, 2783, 3025, 5855, 6325, 12881, 13915, 26933, 29275, 64405, 69575, 134665, 141691, 296263, 322025, 673325, 708455, 1481315, 3258893, 3542275, 7406575, 16294465, 81472325]

約数ペア:

[(1, 81472325), (5, 16294465), (11, 7406575), (23, 3542275), (25, 3258893), (55, 1481315), (115, 708455), (121, 673325), (253, 322025), (275, 296263), (575, 141691), (605, 134665), (1171, 69575), (1265, 64405), (2783, 29275), (3025, 26933), (5855, 13915), (6325, 12881)]