30741978

素因数分解:

$2^1\times 3^1\times {\mathrm{137}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:542

約数の個数: 32

約数和(自身を含む): 62596800

約数和(自身を除く): 31854822

約数列:

[1, 2, 3, 6, 137, 149, 251, 274, 298, 411, 447, 502, 753, 822, 894, 1506, 20413, 34387, 37399, 40826, 61239, 68774, 74798, 103161, 112197, 122478, 206322, 224394, 5123663, 10247326, 15370989, 30741978]

約数ペア:

[(1, 30741978), (2, 15370989), (3, 10247326), (6, 5123663), (137, 224394), (149, 206322), (251, 122478), (274, 112197), (298, 103161), (411, 74798), (447, 68774), (502, 61239), (753, 40826), (822, 37399), (894, 34387), (1506, 20413)]