128260990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{349}}^1$

素因数の和:637

約数の個数: 64

約数和(自身を含む): 273067200

約数和(自身を除く): 144806210

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 257, 286, 349, 514, 698, 715, 1285, 1430, 1745, 2570, 2827, 3341, 3490, 3839, 4537, 5654, 6682, 7678, 9074, 14135, 16705, 19195, 22685, 28270, 33410, 36751, 38390, 45370, 49907, 73502, 89693, 99814, 179386, 183755, 249535, 367510, 448465, 499070, 896930, 986623, 1166009, 1973246, 2332018, 4933115, 5830045, 9866230, 11660090, 12826099, 25652198, 64130495, 128260990]

約数ペア:

[(1, 128260990), (2, 64130495), (5, 25652198), (10, 12826099), (11, 11660090), (13, 9866230), (22, 5830045), (26, 4933115), (55, 2332018), (65, 1973246), (110, 1166009), (130, 986623), (143, 896930), (257, 499070), (286, 448465), (349, 367510), (514, 249535), (698, 183755), (715, 179386), (1285, 99814), (1430, 89693), (1745, 73502), (2570, 49907), (2827, 45370), (3341, 38390), (3490, 36751), (3839, 33410), (4537, 28270), (5654, 22685), (6682, 19195), (7678, 16705), (9074, 14135)]