128520028

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{18583}}^1$

素因数の和:18626

約数の個数: 48

約数和(自身を含む): 291397120

約数和(自身を除く): 162877092

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3458, 6916, 18583, 37166, 74332, 130081, 241579, 260162, 353077, 483158, 520324, 706154, 966316, 1412308, 1691053, 2471539, 3382106, 4590001, 4943078, 6764212, 9180002, 9886156, 18360004, 32130007, 64260014, 128520028]

約数ペア:

[(1, 128520028), (2, 64260014), (4, 32130007), (7, 18360004), (13, 9886156), (14, 9180002), (19, 6764212), (26, 4943078), (28, 4590001), (38, 3382106), (52, 2471539), (76, 1691053), (91, 1412308), (133, 966316), (182, 706154), (247, 520324), (266, 483158), (364, 353077), (494, 260162), (532, 241579), (988, 130081), (1729, 74332), (3458, 37166), (6916, 18583)]