211312444

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{1321}}^1$

素因数の和:1558

約数の個数: 48

約数和(自身を含む): 439750080

約数和(自身を除く): 228437636

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 197, 203, 394, 406, 788, 812, 1321, 1379, 2642, 2758, 5284, 5516, 5713, 9247, 11426, 18494, 22852, 36988, 38309, 39991, 76618, 79982, 153236, 159964, 260237, 268163, 520474, 536326, 1040948, 1072652, 1821659, 3643318, 7286636, 7546873, 15093746, 30187492, 52828111, 105656222, 211312444]

約数ペア:

[(1, 211312444), (2, 105656222), (4, 52828111), (7, 30187492), (14, 15093746), (28, 7546873), (29, 7286636), (58, 3643318), (116, 1821659), (197, 1072652), (203, 1040948), (394, 536326), (406, 520474), (788, 268163), (812, 260237), (1321, 159964), (1379, 153236), (2642, 79982), (2758, 76618), (5284, 39991), (5516, 38309), (5713, 36988), (9247, 22852), (11426, 18494)]