220319678

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 344710080

約数和(自身を除く): 124390402

約数列:

[1, 2, 61, 89, 103, 122, 178, 197, 206, 394, 5429, 6283, 9167, 10858, 12017, 12566, 17533, 18334, 20291, 24034, 35066, 40582, 559187, 1069513, 1118374, 1237751, 1805899, 2139026, 2475502, 3611798, 110159839, 220319678]

約数ペア:

[(1, 220319678), (2, 110159839), (61, 3611798), (89, 2475502), (103, 2139026), (122, 1805899), (178, 1237751), (197, 1118374), (206, 1069513), (394, 559187), (5429, 40582), (6283, 35066), (9167, 24034), (10858, 20291), (12017, 18334), (12566, 17533)]