81293056

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{1879}}^1$

素因数の和:1921

約数の個数: 54

約数和(自身を含む): 175804440

約数和(自身を除く): 94511384

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 256, 338, 416, 676, 832, 1352, 1664, 1879, 2704, 3328, 3758, 5408, 7516, 10816, 15032, 21632, 24427, 30064, 43264, 48854, 60128, 97708, 120256, 195416, 240512, 317551, 390832, 481024, 635102, 781664, 1270204, 1563328, 2540408, 3126656, 5080816, 6253312, 10161632, 20323264, 40646528, 81293056]

約数ペア:

[(1, 81293056), (2, 40646528), (4, 20323264), (8, 10161632), (13, 6253312), (16, 5080816), (26, 3126656), (32, 2540408), (52, 1563328), (64, 1270204), (104, 781664), (128, 635102), (169, 481024), (208, 390832), (256, 317551), (338, 240512), (416, 195416), (676, 120256), (832, 97708), (1352, 60128), (1664, 48854), (1879, 43264), (2704, 30064), (3328, 24427), (3758, 21632), (5408, 15032), (7516, 10816)]