131579728

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{2383}}^1$

素因数の和:2444

約数の個数: 80

約数和(自身を含む): 319265280

約数和(自身を除く): 187685552

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 29, 34, 56, 58, 68, 112, 116, 119, 136, 203, 232, 238, 272, 406, 464, 476, 493, 812, 952, 986, 1624, 1904, 1972, 2383, 3248, 3451, 3944, 4766, 6902, 7888, 9532, 13804, 16681, 19064, 27608, 33362, 38128, 40511, 55216, 66724, 69107, 81022, 133448, 138214, 162044, 266896, 276428, 283577, 324088, 483749, 552856, 567154, 648176, 967498, 1105712, 1134308, 1174819, 1934996, 2268616, 2349638, 3869992, 4537232, 4699276, 7739984, 8223733, 9398552, 16447466, 18797104, 32894932, 65789864, 131579728]

約数ペア:

[(1, 131579728), (2, 65789864), (4, 32894932), (7, 18797104), (8, 16447466), (14, 9398552), (16, 8223733), (17, 7739984), (28, 4699276), (29, 4537232), (34, 3869992), (56, 2349638), (58, 2268616), (68, 1934996), (112, 1174819), (116, 1134308), (119, 1105712), (136, 967498), (203, 648176), (232, 567154), (238, 552856), (272, 483749), (406, 324088), (464, 283577), (476, 276428), (493, 266896), (812, 162044), (952, 138214), (986, 133448), (1624, 81022), (1904, 69107), (1972, 66724), (2383, 55216), (3248, 40511), (3451, 38128), (3944, 33362), (4766, 27608), (6902, 19064), (7888, 16681), (9532, 13804)]