165150419

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1$

素因数の和:395

約数の個数: 32

約数和(自身を含む): 204374016

約数和(自身を除く): 39223597

約数列:

[1, 7, 23, 41, 127, 161, 197, 287, 889, 943, 1379, 2921, 4531, 5207, 6601, 8077, 20447, 25019, 31717, 36449, 56539, 119761, 175133, 185771, 575437, 838327, 1025779, 1300397, 4028059, 7180453, 23592917, 165150419]

約数ペア:

[(1, 165150419), (7, 23592917), (23, 7180453), (41, 4028059), (127, 1300397), (161, 1025779), (197, 838327), (287, 575437), (889, 185771), (943, 175133), (1379, 119761), (2921, 56539), (4531, 36449), (5207, 31717), (6601, 25019), (8077, 20447)]