About the Number

121995016

121995015 ← → 121995017

2進数表記:111010001010111111100001000

漢数字表記:一億二千百九十九万五千十六

素因数分解:

2 3 × 11 1 × 13 3 × 631 1

素因数の和:687
約数の個数: 64
約数和(自身を含む): 270748800
約数和(自身を除く): 148753784

約数列:
[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 169, 286, 338, 572, 631, 676, 1144, 1262, 1352, 1859, 2197, 2524, 3718, 4394, 5048, 6941, 7436, 8203, 8788, 13882, 14872, 16406, 17576, 24167, 27764, 32812, 48334, 55528, 65624, 90233, 96668, 106639, 180466, 193336, 213278, 360932, 426556, 721864, 853112, 1173029, 1386307, 2346058, 2772614, 4692116, 5545228, 9384232, 11090456, 15249377, 30498754, 60997508, 121995016]

約数ペア:
[(1, 121995016), (2, 60997508), (4, 30498754), (8, 15249377), (11, 11090456), (13, 9384232), (22, 5545228), (26, 4692116), (44, 2772614), (52, 2346058), (88, 1386307), (104, 1173029), (143, 853112), (169, 721864), (286, 426556), (338, 360932), (572, 213278), (631, 193336), (676, 180466), (1144, 106639), (1262, 96668), (1352, 90233), (1859, 65624), (2197, 55528), (2524, 48334), (3718, 32812), (4394, 27764), (5048, 24167), (6941, 17576), (7436, 16406), (8203, 14872), (8788, 13882)]

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