About the Number

121586790

121586789 ← → 121586791

2進数表記:111001111110100010001100110

漢数字表記:一億二千百五十八万六千七百九十

素因数分解:

2 1 × 3 1 × 5 1 × 13 1 × 71 1 × 4391 1

素因数の和:4485
約数の個数: 64
約数和(自身を含む): 318753792
約数和(自身を除く): 197167002

約数列:
[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 71, 78, 130, 142, 195, 213, 355, 390, 426, 710, 923, 1065, 1846, 2130, 2769, 4391, 4615, 5538, 8782, 9230, 13173, 13845, 21955, 26346, 27690, 43910, 57083, 65865, 114166, 131730, 171249, 285415, 311761, 342498, 570830, 623522, 856245, 935283, 1558805, 1712490, 1870566, 3117610, 4052893, 4676415, 8105786, 9352830, 12158679, 20264465, 24317358, 40528930, 60793395, 121586790]

約数ペア:
[(1, 121586790), (2, 60793395), (3, 40528930), (5, 24317358), (6, 20264465), (10, 12158679), (13, 9352830), (15, 8105786), (26, 4676415), (30, 4052893), (39, 3117610), (65, 1870566), (71, 1712490), (78, 1558805), (130, 935283), (142, 856245), (195, 623522), (213, 570830), (355, 342498), (390, 311761), (426, 285415), (710, 171249), (923, 131730), (1065, 114166), (1846, 65865), (2130, 57083), (2769, 43910), (4391, 27690), (4615, 26346), (5538, 21955), (8782, 13845), (9230, 13173)]

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