221070408

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{708559}}^1$

素因数の和:708581

約数の個数: 32

約数和(自身を含む): 595190400

約数和(自身を除く): 374119992

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 708559, 1417118, 2125677, 2834236, 4251354, 5668472, 8502708, 9211267, 17005416, 18422534, 27633801, 36845068, 55267602, 73690136, 110535204, 221070408]

約数ペア:

[(1, 221070408), (2, 110535204), (3, 73690136), (4, 55267602), (6, 36845068), (8, 27633801), (12, 18422534), (13, 17005416), (24, 9211267), (26, 8502708), (39, 5668472), (52, 4251354), (78, 2834236), (104, 2125677), (156, 1417118), (312, 708559)]