About the Number

13978890

13978889 ← → 13978891

2進数表記:110101010100110100001010

漢数字表記:千三百九十七万八千八百九十

素因数分解:

2 1 × 3 2 × 5 1 × 127 1 × 1223 1

素因数の和:1363
約数の個数: 48
約数和(自身を含む): 36661248
約数和(自身を除く): 22682358

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 127, 254, 381, 635, 762, 1143, 1223, 1270, 1905, 2286, 2446, 3669, 3810, 5715, 6115, 7338, 11007, 11430, 12230, 18345, 22014, 36690, 55035, 110070, 155321, 310642, 465963, 776605, 931926, 1397889, 1553210, 2329815, 2795778, 4659630, 6989445, 13978890]

約数ペア:
[(1, 13978890), (2, 6989445), (3, 4659630), (5, 2795778), (6, 2329815), (9, 1553210), (10, 1397889), (15, 931926), (18, 776605), (30, 465963), (45, 310642), (90, 155321), (127, 110070), (254, 55035), (381, 36690), (635, 22014), (762, 18345), (1143, 12230), (1223, 11430), (1270, 11007), (1905, 7338), (2286, 6115), (2446, 5715), (3669, 3810)]

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