389615174

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:345

約数の個数: 64

約数和(自身を含む): 680581440

約数和(自身を除く): 290966266

約数列:

[1, 2, 13, 26, 29, 43, 58, 61, 86, 122, 197, 377, 394, 559, 754, 793, 1118, 1247, 1586, 1769, 2494, 2561, 2623, 3538, 5122, 5246, 5713, 8471, 11426, 12017, 16211, 16942, 22997, 24034, 32422, 34099, 45994, 68198, 74269, 76067, 110123, 148538, 152134, 156221, 220246, 245659, 312442, 348493, 491318, 516731, 696986, 988871, 1033462, 1977742, 3193567, 4530409, 6387134, 6717503, 9060818, 13435006, 14985199, 29970398, 194807587, 389615174]

約数ペア:

[(1, 389615174), (2, 194807587), (13, 29970398), (26, 14985199), (29, 13435006), (43, 9060818), (58, 6717503), (61, 6387134), (86, 4530409), (122, 3193567), (197, 1977742), (377, 1033462), (394, 988871), (559, 696986), (754, 516731), (793, 491318), (1118, 348493), (1247, 312442), (1586, 245659), (1769, 220246), (2494, 156221), (2561, 152134), (2623, 148538), (3538, 110123), (5122, 76067), (5246, 74269), (5713, 68198), (8471, 45994), (11426, 34099), (12017, 32422), (16211, 24034), (16942, 22997)]