72941908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{15761}}^1$

素因数の和:15867

約数の個数: 24

約数和(自身を含む): 139020840

約数和(自身を除く): 66078932

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 1157, 2314, 4628, 15761, 31522, 63044, 204893, 409786, 819572, 1402729, 2805458, 5610916, 18235477, 36470954, 72941908]

約数ペア:

[(1, 72941908), (2, 36470954), (4, 18235477), (13, 5610916), (26, 2805458), (52, 1402729), (89, 819572), (178, 409786), (356, 204893), (1157, 63044), (2314, 31522), (4628, 15761)]