128213638

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{1297}}^1$

素因数の和:1636

約数の個数: 32

約数和(自身を含む): 230275584

約数和(自身を除く): 102061946

約数列:

[1, 2, 7, 14, 23, 46, 161, 307, 322, 614, 1297, 2149, 2594, 4298, 7061, 9079, 14122, 18158, 29831, 49427, 59662, 98854, 208817, 398179, 417634, 796358, 2787253, 5574506, 9158117, 18316234, 64106819, 128213638]

約数ペア:

[(1, 128213638), (2, 64106819), (7, 18316234), (14, 9158117), (23, 5574506), (46, 2787253), (161, 796358), (307, 417634), (322, 398179), (614, 208817), (1297, 98854), (2149, 59662), (2594, 49427), (4298, 29831), (7061, 18158), (9079, 14122)]