77989528

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{2129}}^1$

素因数の和:2395

約数の個数: 32

約数和(自身を含む): 154638000

約数和(自身を除く): 76648472

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 241, 482, 964, 1928, 2129, 4258, 4579, 8516, 9158, 17032, 18316, 36632, 40451, 80902, 161804, 323608, 513089, 1026178, 2052356, 4104712, 9748691, 19497382, 38994764, 77989528]

約数ペア:

[(1, 77989528), (2, 38994764), (4, 19497382), (8, 9748691), (19, 4104712), (38, 2052356), (76, 1026178), (152, 513089), (241, 323608), (482, 161804), (964, 80902), (1928, 40451), (2129, 36632), (4258, 18316), (4579, 17032), (8516, 9158)]