40642498

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{421}}^1$

素因数の和:562

約数の個数: 32

約数和(自身を含む): 68060160

約数和(自身を除く): 27417662

約数列:

[1, 2, 13, 26, 47, 79, 94, 158, 421, 611, 842, 1027, 1222, 2054, 3713, 5473, 7426, 10946, 19787, 33259, 39574, 48269, 66518, 96538, 257231, 432367, 514462, 864734, 1563173, 3126346, 20321249, 40642498]

約数ペア:

[(1, 40642498), (2, 20321249), (13, 3126346), (26, 1563173), (47, 864734), (79, 514462), (94, 432367), (158, 257231), (421, 96538), (611, 66518), (842, 48269), (1027, 39574), (1222, 33259), (2054, 19787), (3713, 10946), (5473, 7426)]