15928990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 36246528

約数和(自身を除く): 20317538

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 137, 151, 154, 274, 302, 385, 685, 755, 770, 959, 1057, 1370, 1507, 1510, 1661, 1918, 2114, 3014, 3322, 4795, 5285, 7535, 8305, 9590, 10549, 10570, 11627, 15070, 16610, 20687, 21098, 23254, 41374, 52745, 58135, 103435, 105490, 116270, 144809, 206870, 227557, 289618, 455114, 724045, 1137785, 1448090, 1592899, 2275570, 3185798, 7964495, 15928990]

約数ペア:

[(1, 15928990), (2, 7964495), (5, 3185798), (7, 2275570), (10, 1592899), (11, 1448090), (14, 1137785), (22, 724045), (35, 455114), (55, 289618), (70, 227557), (77, 206870), (110, 144809), (137, 116270), (151, 105490), (154, 103435), (274, 58135), (302, 52745), (385, 41374), (685, 23254), (755, 21098), (770, 20687), (959, 16610), (1057, 15070), (1370, 11627), (1507, 10570), (1510, 10549), (1661, 9590), (1918, 8305), (2114, 7535), (3014, 5285), (3322, 4795)]