16990781178

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{159457}}^1$

素因数の和:159571

約数の個数: 64

約数和(自身を含む): 40413035520

約数和(自身を除く): 23422254342

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 59, 86, 118, 129, 177, 258, 301, 354, 413, 602, 826, 903, 1239, 1806, 2478, 2537, 5074, 7611, 15222, 17759, 35518, 53277, 106554, 159457, 318914, 478371, 956742, 1116199, 2232398, 3348597, 6697194, 6856651, 9407963, 13713302, 18815926, 20569953, 28223889, 41139906, 47996557, 56447778, 65855741, 95993114, 131711482, 143989671, 197567223, 287979342, 395134446, 404542409, 809084818, 1213627227, 2427254454, 2831796863, 5663593726, 8495390589, 16990781178]

約数ペア:

[(1, 16990781178), (2, 8495390589), (3, 5663593726), (6, 2831796863), (7, 2427254454), (14, 1213627227), (21, 809084818), (42, 404542409), (43, 395134446), (59, 287979342), (86, 197567223), (118, 143989671), (129, 131711482), (177, 95993114), (258, 65855741), (301, 56447778), (354, 47996557), (413, 41139906), (602, 28223889), (826, 20569953), (903, 18815926), (1239, 13713302), (1806, 9407963), (2478, 6856651), (2537, 6697194), (5074, 3348597), (7611, 2232398), (15222, 1116199), (17759, 956742), (35518, 478371), (53277, 318914), (106554, 159457)]