81103412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{349}}^1$

素因数の和:516

約数の個数: 48

約数和(自身を含む): 158466000

約数和(自身を除く): 77362588

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 109, 164, 218, 349, 436, 533, 698, 1066, 1396, 1417, 2132, 2834, 4469, 4537, 5668, 8938, 9074, 14309, 17876, 18148, 28618, 38041, 57236, 58097, 76082, 116194, 152164, 186017, 232388, 372034, 494533, 744068, 989066, 1559681, 1978132, 3119362, 6238724, 20275853, 40551706, 81103412]

約数ペア:

[(1, 81103412), (2, 40551706), (4, 20275853), (13, 6238724), (26, 3119362), (41, 1978132), (52, 1559681), (82, 989066), (109, 744068), (164, 494533), (218, 372034), (349, 232388), (436, 186017), (533, 152164), (698, 116194), (1066, 76082), (1396, 58097), (1417, 57236), (2132, 38041), (2834, 28618), (4469, 18148), (4537, 17876), (5668, 14309), (8938, 9074)]