128955812

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{661}}^1$

素因数の和:852

約数の個数: 48

約数和(自身を含む): 253572480

約数和(自身を除く): 124616668

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 151, 302, 323, 604, 646, 661, 1292, 1322, 2567, 2644, 2869, 5134, 5738, 10268, 11237, 11476, 12559, 22474, 25118, 44948, 48773, 50236, 97546, 99811, 195092, 199622, 213503, 399244, 427006, 854012, 1696787, 1896409, 3393574, 3792818, 6787148, 7585636, 32238953, 64477906, 128955812]

約数ペア:

[(1, 128955812), (2, 64477906), (4, 32238953), (17, 7585636), (19, 6787148), (34, 3792818), (38, 3393574), (68, 1896409), (76, 1696787), (151, 854012), (302, 427006), (323, 399244), (604, 213503), (646, 199622), (661, 195092), (1292, 99811), (1322, 97546), (2567, 50236), (2644, 48773), (2869, 44948), (5134, 25118), (5738, 22474), (10268, 12559), (11237, 11476)]