About the Number

628552989

628552988 ← → 628552990

2進数表記:100101011101101111010100011101

漢数字表記:六億二千八百五十五万二千九百八十九

素因数分解:

3 2 × 29 1 × 71 1 × 107 1 × 317 1

素因数の和:530
約数の個数: 48
約数和(自身を含む): 964379520
約数和(自身を除く): 335826531

約数列:
[1, 3, 9, 29, 71, 87, 107, 213, 261, 317, 321, 639, 951, 963, 2059, 2853, 3103, 6177, 7597, 9193, 9309, 18531, 22507, 22791, 27579, 27927, 33919, 67521, 68373, 82737, 101757, 202563, 220313, 305271, 652703, 660939, 983651, 1958109, 1982817, 2408249, 2950953, 5874327, 7224747, 8852859, 21674241, 69839221, 209517663, 628552989]

約数ペア:
[(1, 628552989), (3, 209517663), (9, 69839221), (29, 21674241), (71, 8852859), (87, 7224747), (107, 5874327), (213, 2950953), (261, 2408249), (317, 1982817), (321, 1958109), (639, 983651), (951, 660939), (963, 652703), (2059, 305271), (2853, 220313), (3103, 202563), (6177, 101757), (7597, 82737), (9193, 68373), (9309, 67521), (18531, 33919), (22507, 27927), (22791, 27579)]

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