128128218

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{223}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 281014272

約数和(自身を除く): 152886054

約数列:

[1, 2, 3, 6, 17, 34, 43, 51, 86, 102, 129, 131, 223, 258, 262, 393, 446, 669, 731, 786, 1338, 1462, 2193, 2227, 3791, 4386, 4454, 5633, 6681, 7582, 9589, 11266, 11373, 13362, 16899, 19178, 22746, 28767, 29213, 33798, 57534, 58426, 87639, 95761, 163013, 175278, 191522, 287283, 326026, 489039, 496621, 574566, 978078, 993242, 1256159, 1489863, 2512318, 2979726, 3768477, 7536954, 21354703, 42709406, 64064109, 128128218]

約数ペア:

[(1, 128128218), (2, 64064109), (3, 42709406), (6, 21354703), (17, 7536954), (34, 3768477), (43, 2979726), (51, 2512318), (86, 1489863), (102, 1256159), (129, 993242), (131, 978078), (223, 574566), (258, 496621), (262, 489039), (393, 326026), (446, 287283), (669, 191522), (731, 175278), (786, 163013), (1338, 95761), (1462, 87639), (2193, 58426), (2227, 57534), (3791, 33798), (4386, 29213), (4454, 28767), (5633, 22746), (6681, 19178), (7582, 16899), (9589, 13362), (11266, 11373)]