197657984

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{457}}^1$

素因数の和:611

約数の個数: 64

約数和(自身を含む): 411100800

約数和(自身を除く): 213442816

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 109, 124, 128, 218, 248, 436, 457, 496, 872, 914, 992, 1744, 1828, 1984, 3379, 3488, 3656, 3968, 6758, 6976, 7312, 13516, 13952, 14167, 14624, 27032, 28334, 29248, 49813, 54064, 56668, 58496, 99626, 108128, 113336, 199252, 216256, 226672, 398504, 432512, 453344, 797008, 906688, 1544203, 1594016, 1813376, 3088406, 3188032, 6176812, 6376064, 12353624, 24707248, 49414496, 98828992, 197657984]

約数ペア:

[(1, 197657984), (2, 98828992), (4, 49414496), (8, 24707248), (16, 12353624), (31, 6376064), (32, 6176812), (62, 3188032), (64, 3088406), (109, 1813376), (124, 1594016), (128, 1544203), (218, 906688), (248, 797008), (436, 453344), (457, 432512), (496, 398504), (872, 226672), (914, 216256), (992, 199252), (1744, 113336), (1828, 108128), (1984, 99626), (3379, 58496), (3488, 56668), (3656, 54064), (3968, 49813), (6758, 29248), (6976, 28334), (7312, 27032), (13516, 14624), (13952, 14167)]