220975936

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{877}}^1$

素因数の和:1047

約数の個数: 56

約数和(自身を含む): 456728576

約数和(自身を除く): 235752640

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 127, 248, 254, 496, 508, 877, 992, 1016, 1754, 1984, 2032, 3508, 3937, 4064, 7016, 7874, 8128, 14032, 15748, 27187, 28064, 31496, 54374, 56128, 62992, 108748, 111379, 125984, 217496, 222758, 251968, 434992, 445516, 869984, 891032, 1739968, 1782064, 3452749, 3564128, 6905498, 7128256, 13810996, 27621992, 55243984, 110487968, 220975936]

約数ペア:

[(1, 220975936), (2, 110487968), (4, 55243984), (8, 27621992), (16, 13810996), (31, 7128256), (32, 6905498), (62, 3564128), (64, 3452749), (124, 1782064), (127, 1739968), (248, 891032), (254, 869984), (496, 445516), (508, 434992), (877, 251968), (992, 222758), (1016, 217496), (1754, 125984), (1984, 111379), (2032, 108748), (3508, 62992), (3937, 56128), (4064, 54374), (7016, 31496), (7874, 28064), (8128, 27187), (14032, 15748)]