2021902064

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1388669}}^1$

素因数の和:1388697

約数の個数: 40

約数和(自身を含む): 4821462240

約数和(自身を除く): 2799560176

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 1388669, 2777338, 5554676, 9720683, 11109352, 18052697, 19441366, 22218704, 36105394, 38882732, 72210788, 77765464, 126368879, 144421576, 155530928, 252737758, 288843152, 505475516, 1010951032, 2021902064]

約数ペア:

[(1, 2021902064), (2, 1010951032), (4, 505475516), (7, 288843152), (8, 252737758), (13, 155530928), (14, 144421576), (16, 126368879), (26, 77765464), (28, 72210788), (52, 38882732), (56, 36105394), (91, 22218704), (104, 19441366), (112, 18052697), (182, 11109352), (208, 9720683), (364, 5554676), (728, 2777338), (1456, 1388669)]