78921556

素因数分解:

$2^2\times 7^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:150

約数の個数: 96

約数和(自身を含む): 174988800

約数和(自身を除く): 96067244

約数列:

[1, 2, 4, 7, 14, 23, 28, 41, 46, 49, 61, 82, 92, 98, 122, 161, 164, 196, 244, 287, 322, 343, 427, 574, 644, 686, 854, 943, 1127, 1148, 1372, 1403, 1708, 1886, 2009, 2254, 2501, 2806, 2989, 3772, 4018, 4508, 5002, 5612, 5978, 6601, 7889, 8036, 9821, 10004, 11956, 13202, 14063, 15778, 17507, 19642, 20923, 26404, 28126, 31556, 35014, 39284, 41846, 46207, 56252, 57523, 68747, 70028, 83692, 92414, 115046, 122549, 137494, 184828, 230092, 245098, 274988, 323449, 402661, 481229, 490196, 646898, 805322, 857843, 962458, 1293796, 1610644, 1715686, 1924916, 2818627, 3431372, 5637254, 11274508, 19730389, 39460778, 78921556]

約数ペア:

[(1, 78921556), (2, 39460778), (4, 19730389), (7, 11274508), (14, 5637254), (23, 3431372), (28, 2818627), (41, 1924916), (46, 1715686), (49, 1610644), (61, 1293796), (82, 962458), (92, 857843), (98, 805322), (122, 646898), (161, 490196), (164, 481229), (196, 402661), (244, 323449), (287, 274988), (322, 245098), (343, 230092), (427, 184828), (574, 137494), (644, 122549), (686, 115046), (854, 92414), (943, 83692), (1127, 70028), (1148, 68747), (1372, 57523), (1403, 56252), (1708, 46207), (1886, 41846), (2009, 39284), (2254, 35014), (2501, 31556), (2806, 28126), (2989, 26404), (3772, 20923), (4018, 19642), (4508, 17507), (5002, 15778), (5612, 14063), (5978, 13202), (6601, 11956), (7889, 10004), (8036, 9821)]