About the Number

201986988

201986987 ← → 201986989

2進数表記:1100000010100001001110101100

漢数字表記:二億百九十八万六千九百八十八

素因数分解:

2 2 × 3 1 × 7 1 × 853 1 × 2819 1

素因数の和:3686
約数の個数: 48
約数和(自身を含む): 539454720
約数和(自身を除く): 337467732

約数列:
[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 853, 1706, 2559, 2819, 3412, 5118, 5638, 5971, 8457, 10236, 11276, 11942, 16914, 17913, 19733, 23884, 33828, 35826, 39466, 59199, 71652, 78932, 118398, 236796, 2404607, 4809214, 7213821, 9618428, 14427642, 16832249, 28855284, 33664498, 50496747, 67328996, 100993494, 201986988]

約数ペア:
[(1, 201986988), (2, 100993494), (3, 67328996), (4, 50496747), (6, 33664498), (7, 28855284), (12, 16832249), (14, 14427642), (21, 9618428), (28, 7213821), (42, 4809214), (84, 2404607), (853, 236796), (1706, 118398), (2559, 78932), (2819, 71652), (3412, 59199), (5118, 39466), (5638, 35826), (5971, 33828), (8457, 23884), (10236, 19733), (11276, 17913), (11942, 16914)]

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