131607028

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^2\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:213

約数の個数: 72

約数和(自身を含む): 279819456

約数和(自身を除く): 148212428

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 67, 73, 124, 134, 146, 217, 268, 292, 434, 469, 511, 868, 938, 961, 1022, 1876, 1922, 2044, 2077, 2263, 3844, 4154, 4526, 4891, 6727, 8308, 9052, 9782, 13454, 14539, 15841, 19564, 26908, 29078, 31682, 34237, 58156, 63364, 64387, 68474, 70153, 128774, 136948, 140306, 151621, 257548, 280612, 303242, 450709, 491071, 606484, 901418, 982142, 1061347, 1802836, 1964284, 2122694, 4245388, 4700251, 9400502, 18801004, 32901757, 65803514, 131607028]

約数ペア:

[(1, 131607028), (2, 65803514), (4, 32901757), (7, 18801004), (14, 9400502), (28, 4700251), (31, 4245388), (62, 2122694), (67, 1964284), (73, 1802836), (124, 1061347), (134, 982142), (146, 901418), (217, 606484), (268, 491071), (292, 450709), (434, 303242), (469, 280612), (511, 257548), (868, 151621), (938, 140306), (961, 136948), (1022, 128774), (1876, 70153), (1922, 68474), (2044, 64387), (2077, 63364), (2263, 58156), (3844, 34237), (4154, 31682), (4526, 29078), (4891, 26908), (6727, 19564), (8308, 15841), (9052, 14539), (9782, 13454)]