181320496

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{613}}^1$

素因数の和:786

約数の個数: 80

約数和(自身を含む): 426361600

約数和(自身を除く): 245041104

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 139, 152, 266, 278, 304, 532, 556, 613, 973, 1064, 1112, 1226, 1946, 2128, 2224, 2452, 2641, 3892, 4291, 4904, 5282, 7784, 8582, 9808, 10564, 11647, 15568, 17164, 18487, 21128, 23294, 34328, 36974, 42256, 46588, 68656, 73948, 81529, 85207, 93176, 147896, 163058, 170414, 186352, 295792, 326116, 340828, 596449, 652232, 681656, 1192898, 1304464, 1363312, 1618933, 2385796, 3237866, 4771592, 6475732, 9543184, 11332531, 12951464, 22665062, 25902928, 45330124, 90660248, 181320496]

約数ペア:

[(1, 181320496), (2, 90660248), (4, 45330124), (7, 25902928), (8, 22665062), (14, 12951464), (16, 11332531), (19, 9543184), (28, 6475732), (38, 4771592), (56, 3237866), (76, 2385796), (112, 1618933), (133, 1363312), (139, 1304464), (152, 1192898), (266, 681656), (278, 652232), (304, 596449), (532, 340828), (556, 326116), (613, 295792), (973, 186352), (1064, 170414), (1112, 163058), (1226, 147896), (1946, 93176), (2128, 85207), (2224, 81529), (2452, 73948), (2641, 68656), (3892, 46588), (4291, 42256), (4904, 36974), (5282, 34328), (7784, 23294), (8582, 21128), (9808, 18487), (10564, 17164), (11647, 15568)]