About the Number

121616790

121616789 ← → 121616791

2進数表記:111001111111011100110010110

漢数字表記:一億二千百六十一万六千七百九十

素因数分解:

2 1 × 3 1 × 5 1 × 443 1 × 9151 1

素因数の和:9604
約数の個数: 32
約数和(自身を含む): 292571136
約数和(自身を除く): 170954346

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 443, 886, 1329, 2215, 2658, 4430, 6645, 9151, 13290, 18302, 27453, 45755, 54906, 91510, 137265, 274530, 4053893, 8107786, 12161679, 20269465, 24323358, 40538930, 60808395, 121616790]

約数ペア:
[(1, 121616790), (2, 60808395), (3, 40538930), (5, 24323358), (6, 20269465), (10, 12161679), (15, 8107786), (30, 4053893), (443, 274530), (886, 137265), (1329, 91510), (2215, 54906), (2658, 45755), (4430, 27453), (6645, 18302), (9151, 13290)]

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