About the Number

2129790

2129789 ← → 2129791

2進数表記:1000000111111101111110

漢数字表記:二百十二万九千七百九十

素因数分解:

2 1 × 3 1 × 5 1 × 13 1 × 43 1 × 127 1

素因数の和:193
約数の個数: 64
約数和(自身を含む): 5677056
約数和(自身を除く): 3547266

約数列:
[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 43, 65, 78, 86, 127, 129, 130, 195, 215, 254, 258, 381, 390, 430, 559, 635, 645, 762, 1118, 1270, 1290, 1651, 1677, 1905, 2795, 3302, 3354, 3810, 4953, 5461, 5590, 8255, 8385, 9906, 10922, 16383, 16510, 16770, 24765, 27305, 32766, 49530, 54610, 70993, 81915, 141986, 163830, 212979, 354965, 425958, 709930, 1064895, 2129790]

約数ペア:
[(1, 2129790), (2, 1064895), (3, 709930), (5, 425958), (6, 354965), (10, 212979), (13, 163830), (15, 141986), (26, 81915), (30, 70993), (39, 54610), (43, 49530), (65, 32766), (78, 27305), (86, 24765), (127, 16770), (129, 16510), (130, 16383), (195, 10922), (215, 9906), (254, 8385), (258, 8255), (381, 5590), (390, 5461), (430, 4953), (559, 3810), (635, 3354), (645, 3302), (762, 2795), (1118, 1905), (1270, 1677), (1290, 1651)]

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