128425466

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:255

約数の個数: 48

約数和(自身を含む): 217720224

約数和(自身を除く): 89294758

約数列:

[1, 2, 13, 26, 53, 67, 106, 107, 134, 169, 214, 338, 689, 871, 1378, 1391, 1742, 2782, 3551, 5671, 7102, 7169, 8957, 11323, 11342, 14338, 17914, 18083, 22646, 36166, 46163, 73723, 92326, 93197, 147446, 186394, 379957, 600119, 759914, 958399, 1200238, 1211561, 1916798, 2423122, 4939441, 9878882, 64212733, 128425466]

約数ペア:

[(1, 128425466), (2, 64212733), (13, 9878882), (26, 4939441), (53, 2423122), (67, 1916798), (106, 1211561), (107, 1200238), (134, 958399), (169, 759914), (214, 600119), (338, 379957), (689, 186394), (871, 147446), (1378, 93197), (1391, 92326), (1742, 73723), (2782, 46163), (3551, 36166), (5671, 22646), (7102, 18083), (7169, 17914), (8957, 14338), (11323, 11342)]