128905686

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{78697}}^1$

素因数の和:78725

約数の個数: 48

約数和(自身を含む): 343752864

約数和(自身を除く): 214847178

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 63, 78, 91, 117, 126, 182, 234, 273, 546, 819, 1638, 78697, 157394, 236091, 472182, 550879, 708273, 1023061, 1101758, 1416546, 1652637, 2046122, 3069183, 3305274, 4957911, 6138366, 7161427, 9207549, 9915822, 14322854, 18415098, 21484281, 42968562, 64452843, 128905686]

約数ペア:

[(1, 128905686), (2, 64452843), (3, 42968562), (6, 21484281), (7, 18415098), (9, 14322854), (13, 9915822), (14, 9207549), (18, 7161427), (21, 6138366), (26, 4957911), (39, 3305274), (42, 3069183), (63, 2046122), (78, 1652637), (91, 1416546), (117, 1101758), (126, 1023061), (182, 708273), (234, 550879), (273, 472182), (546, 236091), (819, 157394), (1638, 78697)]