221458544

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{457}}^1\times {\mathrm{977}}^1$

素因数の和:1473

約数の個数: 40

約数和(自身を含む): 444340608

約数和(自身を除く): 222882064

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 457, 496, 914, 977, 1828, 1954, 3656, 3908, 7312, 7816, 14167, 15632, 28334, 30287, 56668, 60574, 113336, 121148, 226672, 242296, 446489, 484592, 892978, 1785956, 3571912, 7143824, 13841159, 27682318, 55364636, 110729272, 221458544]

約数ペア:

[(1, 221458544), (2, 110729272), (4, 55364636), (8, 27682318), (16, 13841159), (31, 7143824), (62, 3571912), (124, 1785956), (248, 892978), (457, 484592), (496, 446489), (914, 242296), (977, 226672), (1828, 121148), (1954, 113336), (3656, 60574), (3908, 56668), (7312, 30287), (7816, 28334), (14167, 15632)]