181216018

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{673}}^1$

素因数の和:850

約数の個数: 32

約数和(自身を含む): 290391552

約数和(自身を除く): 109175534

約数列:

[1, 2, 31, 43, 62, 86, 101, 202, 673, 1333, 1346, 2666, 3131, 4343, 6262, 8686, 20863, 28939, 41726, 57878, 67973, 134633, 135946, 269266, 897109, 1794218, 2107163, 2922839, 4214326, 5845678, 90608009, 181216018]

約数ペア:

[(1, 181216018), (2, 90608009), (31, 5845678), (43, 4214326), (62, 2922839), (86, 2107163), (101, 1794218), (202, 897109), (673, 269266), (1333, 135946), (1346, 134633), (2666, 67973), (3131, 57878), (4343, 41726), (6262, 28939), (8686, 20863)]