71291248

素因数分解:

$2^4\times 7^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 164203776

約数和(自身を除く): 92912528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 43, 56, 86, 112, 113, 131, 172, 226, 262, 301, 344, 452, 524, 602, 688, 791, 904, 917, 1048, 1204, 1582, 1808, 1834, 2096, 2408, 3164, 3668, 4816, 4859, 5633, 6328, 7336, 9718, 11266, 12656, 14672, 14803, 19436, 22532, 29606, 34013, 38872, 39431, 45064, 59212, 68026, 77744, 78862, 90128, 103621, 118424, 136052, 157724, 207242, 236848, 272104, 315448, 414484, 544208, 630896, 636529, 828968, 1273058, 1657936, 2546116, 4455703, 5092232, 8911406, 10184464, 17822812, 35645624, 71291248]

約数ペア:

[(1, 71291248), (2, 35645624), (4, 17822812), (7, 10184464), (8, 8911406), (14, 5092232), (16, 4455703), (28, 2546116), (43, 1657936), (56, 1273058), (86, 828968), (112, 636529), (113, 630896), (131, 544208), (172, 414484), (226, 315448), (262, 272104), (301, 236848), (344, 207242), (452, 157724), (524, 136052), (602, 118424), (688, 103621), (791, 90128), (904, 78862), (917, 77744), (1048, 68026), (1204, 59212), (1582, 45064), (1808, 39431), (1834, 38872), (2096, 34013), (2408, 29606), (3164, 22532), (3668, 19436), (4816, 14803), (4859, 14672), (5633, 12656), (6328, 11266), (7336, 9718)]