1388907628

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{421}}^1\times {\mathrm{22291}}^1$

素因数の和:22753

約数の個数: 24

約数和(自身を含む): 2502321584

約数和(自身を除く): 1113413956

約数列:

[1, 2, 4, 37, 74, 148, 421, 842, 1684, 15577, 22291, 31154, 44582, 62308, 89164, 824767, 1649534, 3299068, 9384511, 18769022, 37538044, 347226907, 694453814, 1388907628]

約数ペア:

[(1, 1388907628), (2, 694453814), (4, 347226907), (37, 37538044), (74, 18769022), (148, 9384511), (421, 3299068), (842, 1649534), (1684, 824767), (15577, 89164), (22291, 62308), (31154, 44582)]