1389333076

素因数分解:

$2^2\times {\mathrm{31}}^3\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:317

約数の個数: 48

約数和(自身を含む): 2559997440

約数和(自身を除く): 1170664364

約数列:

[1, 2, 4, 31, 62, 89, 124, 131, 178, 262, 356, 524, 961, 1922, 2759, 3844, 4061, 5518, 8122, 11036, 11659, 16244, 23318, 29791, 46636, 59582, 85529, 119164, 125891, 171058, 251782, 342116, 361429, 503564, 722858, 1445716, 2651399, 3902621, 5302798, 7805242, 10605596, 11204299, 15610484, 22408598, 44817196, 347333269, 694666538, 1389333076]

約数ペア:

[(1, 1389333076), (2, 694666538), (4, 347333269), (31, 44817196), (62, 22408598), (89, 15610484), (124, 11204299), (131, 10605596), (178, 7805242), (262, 5302798), (356, 3902621), (524, 2651399), (961, 1445716), (1922, 722858), (2759, 503564), (3844, 361429), (4061, 342116), (5518, 251782), (8122, 171058), (11036, 125891), (11659, 119164), (16244, 85529), (23318, 59582), (29791, 46636)]