138259408

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 314979840

約数和(自身を除く): 176720432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 107, 112, 139, 166, 214, 278, 332, 428, 556, 581, 664, 749, 856, 973, 1112, 1162, 1328, 1498, 1712, 1946, 2224, 2324, 2996, 3892, 4648, 5992, 7784, 8881, 9296, 11537, 11984, 14873, 15568, 17762, 23074, 29746, 35524, 46148, 59492, 62167, 71048, 80759, 92296, 104111, 118984, 124334, 142096, 161518, 184592, 208222, 237968, 248668, 323036, 416444, 497336, 646072, 832888, 994672, 1234459, 1292144, 1665776, 2468918, 4937836, 8641213, 9875672, 17282426, 19751344, 34564852, 69129704, 138259408]

約数ペア:

[(1, 138259408), (2, 69129704), (4, 34564852), (7, 19751344), (8, 17282426), (14, 9875672), (16, 8641213), (28, 4937836), (56, 2468918), (83, 1665776), (107, 1292144), (112, 1234459), (139, 994672), (166, 832888), (214, 646072), (278, 497336), (332, 416444), (428, 323036), (556, 248668), (581, 237968), (664, 208222), (749, 184592), (856, 161518), (973, 142096), (1112, 124334), (1162, 118984), (1328, 104111), (1498, 92296), (1712, 80759), (1946, 71048), (2224, 62167), (2324, 59492), (2996, 46148), (3892, 35524), (4648, 29746), (5992, 23074), (7784, 17762), (8881, 15568), (9296, 14873), (11537, 11984)]