320907638

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{233}}^1\times {\mathrm{379}}^1$

素因数の和:716

約数の個数: 32

約数和(自身を含む): 512179200

約数和(自身を除く): 191271562

約数列:

[1, 2, 23, 46, 79, 158, 233, 379, 466, 758, 1817, 3634, 5359, 8717, 10718, 17434, 18407, 29941, 36814, 59882, 88307, 176614, 423361, 688643, 846722, 1377286, 2031061, 4062122, 6976253, 13952506, 160453819, 320907638]

約数ペア:

[(1, 320907638), (2, 160453819), (23, 13952506), (46, 6976253), (79, 4062122), (158, 2031061), (233, 1377286), (379, 846722), (466, 688643), (758, 423361), (1817, 176614), (3634, 88307), (5359, 59882), (8717, 36814), (10718, 29941), (17434, 18407)]