74400664

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 156119040

約数和(自身を除く): 81718376

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 127, 131, 172, 254, 262, 344, 508, 524, 559, 1016, 1048, 1118, 1651, 1703, 2236, 3302, 3406, 4472, 5461, 5633, 6604, 6812, 10922, 11266, 13208, 13624, 16637, 21844, 22532, 33274, 43688, 45064, 66548, 70993, 73229, 133096, 141986, 146458, 216281, 283972, 292916, 432562, 567944, 585832, 715391, 865124, 1430782, 1730248, 2861564, 5723128, 9300083, 18600166, 37200332, 74400664]

約数ペア:

[(1, 74400664), (2, 37200332), (4, 18600166), (8, 9300083), (13, 5723128), (26, 2861564), (43, 1730248), (52, 1430782), (86, 865124), (104, 715391), (127, 585832), (131, 567944), (172, 432562), (254, 292916), (262, 283972), (344, 216281), (508, 146458), (524, 141986), (559, 133096), (1016, 73229), (1048, 70993), (1118, 66548), (1651, 45064), (1703, 43688), (2236, 33274), (3302, 22532), (3406, 21844), (4472, 16637), (5461, 13624), (5633, 13208), (6604, 11266), (6812, 10922)]