About the Number

121381386

121381385 ← → 121381387

2進数表記:111001111000010001000001010

漢数字表記:一億二千百三十八万千三百八十六

素因数分解:

2 1 × 3 1 × 7 1 × 19 1 × 37 1 × 4111 1

素因数の和:4179
約数の個数: 64
約数和(自身を含む): 300011520
約数和(自身を除く): 178630134

約数列:
[1, 2, 3, 6, 7, 14, 19, 21, 37, 38, 42, 57, 74, 111, 114, 133, 222, 259, 266, 399, 518, 703, 777, 798, 1406, 1554, 2109, 4111, 4218, 4921, 8222, 9842, 12333, 14763, 24666, 28777, 29526, 57554, 78109, 86331, 152107, 156218, 172662, 234327, 304214, 456321, 468654, 546763, 912642, 1064749, 1093526, 1640289, 2129498, 2890033, 3194247, 3280578, 5780066, 6388494, 8670099, 17340198, 20230231, 40460462, 60690693, 121381386]

約数ペア:
[(1, 121381386), (2, 60690693), (3, 40460462), (6, 20230231), (7, 17340198), (14, 8670099), (19, 6388494), (21, 5780066), (37, 3280578), (38, 3194247), (42, 2890033), (57, 2129498), (74, 1640289), (111, 1093526), (114, 1064749), (133, 912642), (222, 546763), (259, 468654), (266, 456321), (399, 304214), (518, 234327), (703, 172662), (777, 156218), (798, 152107), (1406, 86331), (1554, 78109), (2109, 57554), (4111, 29526), (4218, 28777), (4921, 24666), (8222, 14763), (9842, 12333)]

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