About the Number

121091388

121091387 ← → 121091389

2進数表記:111001101111011010100111100

漢数字表記:一億二千百九万千三百八十八

素因数分解:

2 2 × 3 1 × 11 1 × 421 1 × 2179 1

素因数の和:2618
約数の個数: 48
約数和(自身を含む): 309106560
約数和(自身を除く): 188015172

約数列:
[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 421, 842, 1263, 1684, 2179, 2526, 4358, 4631, 5052, 6537, 8716, 9262, 13074, 13893, 18524, 23969, 26148, 27786, 47938, 55572, 71907, 95876, 143814, 287628, 917359, 1834718, 2752077, 3669436, 5504154, 10090949, 11008308, 20181898, 30272847, 40363796, 60545694, 121091388]

約数ペア:
[(1, 121091388), (2, 60545694), (3, 40363796), (4, 30272847), (6, 20181898), (11, 11008308), (12, 10090949), (22, 5504154), (33, 3669436), (44, 2752077), (66, 1834718), (132, 917359), (421, 287628), (842, 143814), (1263, 95876), (1684, 71907), (2179, 55572), (2526, 47938), (4358, 27786), (4631, 26148), (5052, 23969), (6537, 18524), (8716, 13893), (9262, 13074)]

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