221812612

素因数分解:

$2^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 487424000

約数和(自身を除く): 265611388

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 67, 76, 98, 127, 133, 134, 196, 254, 266, 268, 343, 469, 508, 532, 686, 889, 931, 938, 1273, 1372, 1778, 1862, 1876, 2413, 2546, 3283, 3556, 3724, 4826, 5092, 6223, 6517, 6566, 8509, 8911, 9652, 12446, 13034, 13132, 16891, 17018, 17822, 22981, 24892, 26068, 33782, 34036, 35644, 43561, 45962, 59563, 62377, 67564, 87122, 91924, 118237, 119126, 124754, 161671, 174244, 236474, 238252, 249508, 323342, 416941, 436639, 472948, 646684, 827659, 833882, 873278, 1131697, 1655318, 1667764, 1746556, 2263394, 2918587, 3310636, 4526788, 5837174, 7921879, 11674348, 15843758, 31687516, 55453153, 110906306, 221812612]

約数ペア:

[(1, 221812612), (2, 110906306), (4, 55453153), (7, 31687516), (14, 15843758), (19, 11674348), (28, 7921879), (38, 5837174), (49, 4526788), (67, 3310636), (76, 2918587), (98, 2263394), (127, 1746556), (133, 1667764), (134, 1655318), (196, 1131697), (254, 873278), (266, 833882), (268, 827659), (343, 646684), (469, 472948), (508, 436639), (532, 416941), (686, 323342), (889, 249508), (931, 238252), (938, 236474), (1273, 174244), (1372, 161671), (1778, 124754), (1862, 119126), (1876, 118237), (2413, 91924), (2546, 87122), (3283, 67564), (3556, 62377), (3724, 59563), (4826, 45962), (5092, 43561), (6223, 35644), (6517, 34036), (6566, 33782), (8509, 26068), (8911, 24892), (9652, 22981), (12446, 17822), (13034, 17018), (13132, 16891)]