About the Number

208990038

208990037 ← → 208990039

2進数表記:1100011101001110111101010110

漢数字表記:二億八百九十九万三十八

素因数分解:

2 1 × 3 1 × 41 1 × 653 1 × 1301 1

素因数の和:2000
約数の個数: 32
約数和(自身を含む): 429160032
約数和(自身を除く): 220169994

約数列:
[1, 2, 3, 6, 41, 82, 123, 246, 653, 1301, 1306, 1959, 2602, 3903, 3918, 7806, 26773, 53341, 53546, 80319, 106682, 160023, 160638, 320046, 849553, 1699106, 2548659, 5097318, 34831673, 69663346, 104495019, 208990038]

約数ペア:
[(1, 208990038), (2, 104495019), (3, 69663346), (6, 34831673), (41, 5097318), (82, 2548659), (123, 1699106), (246, 849553), (653, 320046), (1301, 160638), (1306, 160023), (1959, 106682), (2602, 80319), (3903, 53546), (3918, 53341), (7806, 26773)]

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