218214612

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{78721}}^1$

素因数の和:78749

約数の個数: 72

約数和(自身を含む): 687715392

約数和(自身を除く): 469500780

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 78721, 157442, 236163, 314884, 472326, 551047, 708489, 865931, 944652, 1102094, 1416978, 1653141, 1731862, 2204188, 2597793, 2833956, 3306282, 3463724, 4959423, 5195586, 6061517, 6612564, 7793379, 9918846, 10391172, 12123034, 15586758, 18184551, 19837692, 24246068, 31173516, 36369102, 54553653, 72738204, 109107306, 218214612]

約数ペア:

[(1, 218214612), (2, 109107306), (3, 72738204), (4, 54553653), (6, 36369102), (7, 31173516), (9, 24246068), (11, 19837692), (12, 18184551), (14, 15586758), (18, 12123034), (21, 10391172), (22, 9918846), (28, 7793379), (33, 6612564), (36, 6061517), (42, 5195586), (44, 4959423), (63, 3463724), (66, 3306282), (77, 2833956), (84, 2597793), (99, 2204188), (126, 1731862), (132, 1653141), (154, 1416978), (198, 1102094), (231, 944652), (252, 865931), (308, 708489), (396, 551047), (462, 472326), (693, 314884), (924, 236163), (1386, 157442), (2772, 78721)]