About the Number

12788790

12788789 ← → 12788791

2進数表記:110000110010010000110110

漢数字表記:千二百七十八万八千七百九十

素因数分解:

2 1 × 3 1 × 5 1 × 7 1 × 60899 1

素因数の和:60916
約数の個数: 32
約数和(自身を含む): 35078400
約数和(自身を除く): 22289610

約数列:
[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 60899, 121798, 182697, 304495, 365394, 426293, 608990, 852586, 913485, 1278879, 1826970, 2131465, 2557758, 4262930, 6394395, 12788790]

約数ペア:
[(1, 12788790), (2, 6394395), (3, 4262930), (5, 2557758), (6, 2131465), (7, 1826970), (10, 1278879), (14, 913485), (15, 852586), (21, 608990), (30, 426293), (35, 365394), (42, 304495), (70, 182697), (105, 121798), (210, 60899)]

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