128793028

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{5281}}^1$

素因数の和:5372

約数の個数: 48

約数和(自身を含む): 281593984

約数和(自身を除く): 152800956

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 67, 91, 134, 182, 268, 364, 469, 871, 938, 1742, 1876, 3484, 5281, 6097, 10562, 12194, 21124, 24388, 36967, 68653, 73934, 137306, 147868, 274612, 353827, 480571, 707654, 961142, 1415308, 1922284, 2476789, 4599751, 4953578, 9199502, 9907156, 18399004, 32198257, 64396514, 128793028]

約数ペア:

[(1, 128793028), (2, 64396514), (4, 32198257), (7, 18399004), (13, 9907156), (14, 9199502), (26, 4953578), (28, 4599751), (52, 2476789), (67, 1922284), (91, 1415308), (134, 961142), (182, 707654), (268, 480571), (364, 353827), (469, 274612), (871, 147868), (938, 137306), (1742, 73934), (1876, 68653), (3484, 36967), (5281, 24388), (6097, 21124), (10562, 12194)]