220721112

素因数分解:

$2^3\times 3^4\times {\mathrm{340619}}^1$

素因数の和:340637

約数の個数: 40

約数和(自身を含む): 618225300

約数和(自身を除く): 397504188

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 340619, 681238, 1021857, 1362476, 2043714, 2724952, 3065571, 4087428, 6131142, 8174856, 9196713, 12262284, 18393426, 24524568, 27590139, 36786852, 55180278, 73573704, 110360556, 220721112]

約数ペア:

[(1, 220721112), (2, 110360556), (3, 73573704), (4, 55180278), (6, 36786852), (8, 27590139), (9, 24524568), (12, 18393426), (18, 12262284), (24, 9196713), (27, 8174856), (36, 6131142), (54, 4087428), (72, 3065571), (81, 2724952), (108, 2043714), (162, 1362476), (216, 1021857), (324, 681238), (648, 340619)]