About the Number

9976980

9976979 ← → 9976981

2進数表記:100110000011110010010100

漢数字表記:九百九十七万六千九百八十

素因数分解:

2 2 × 3 1 × 5 1 × 13 1 × 12791 1

素因数の和:12816
約数の個数: 48
約数和(自身を含む): 30086784
約数和(自身を除く): 20109804

約数列:
[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 12791, 25582, 38373, 51164, 63955, 76746, 127910, 153492, 166283, 191865, 255820, 332566, 383730, 498849, 665132, 767460, 831415, 997698, 1662830, 1995396, 2494245, 3325660, 4988490, 9976980]

約数ペア:
[(1, 9976980), (2, 4988490), (3, 3325660), (4, 2494245), (5, 1995396), (6, 1662830), (10, 997698), (12, 831415), (13, 767460), (15, 665132), (20, 498849), (26, 383730), (30, 332566), (39, 255820), (52, 191865), (60, 166283), (65, 153492), (78, 127910), (130, 76746), (156, 63955), (195, 51164), (260, 38373), (390, 25582), (780, 12791)]

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