389628304

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{439}}^1$

素因数の和:728

約数の個数: 80

約数和(自身を含む): 866194560

約数和(自身を除く): 476566256

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 251, 272, 439, 442, 502, 878, 884, 1004, 1756, 1768, 2008, 3263, 3512, 3536, 4016, 4267, 5707, 6526, 7024, 7463, 8534, 11414, 13052, 14926, 17068, 22828, 26104, 29852, 34136, 45656, 52208, 55471, 59704, 68272, 91312, 97019, 110189, 110942, 119408, 194038, 220378, 221884, 388076, 440756, 443768, 776152, 881512, 887536, 1432457, 1552304, 1763024, 1873213, 2864914, 3746426, 5729828, 7492852, 11459656, 14985704, 22919312, 24351769, 29971408, 48703538, 97407076, 194814152, 389628304]

約数ペア:

[(1, 389628304), (2, 194814152), (4, 97407076), (8, 48703538), (13, 29971408), (16, 24351769), (17, 22919312), (26, 14985704), (34, 11459656), (52, 7492852), (68, 5729828), (104, 3746426), (136, 2864914), (208, 1873213), (221, 1763024), (251, 1552304), (272, 1432457), (439, 887536), (442, 881512), (502, 776152), (878, 443768), (884, 440756), (1004, 388076), (1756, 221884), (1768, 220378), (2008, 194038), (3263, 119408), (3512, 110942), (3536, 110189), (4016, 97019), (4267, 91312), (5707, 68272), (6526, 59704), (7024, 55471), (7463, 52208), (8534, 45656), (11414, 34136), (13052, 29852), (14926, 26104), (17068, 22828)]