90991238

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:552

約数の個数: 32

約数和(自身を含む): 150316320

約数和(自身を除く): 59325082

約数列:

[1, 2, 13, 26, 97, 109, 194, 218, 331, 662, 1261, 1417, 2522, 2834, 4303, 8606, 10573, 21146, 32107, 36079, 64214, 72158, 137449, 274898, 417391, 469027, 834782, 938054, 3499663, 6999326, 45495619, 90991238]

約数ペア:

[(1, 90991238), (2, 45495619), (13, 6999326), (26, 3499663), (97, 938054), (109, 834782), (194, 469027), (218, 417391), (331, 274898), (662, 137449), (1261, 72158), (1417, 64214), (2522, 36079), (2834, 32107), (4303, 21146), (8606, 10573)]