1298472670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{521}}^1$

素因数の和:841

約数の個数: 64

約数和(自身を含む): 2588785920

約数和(自身を除く): 1290313250

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 139, 163, 278, 326, 521, 695, 815, 1042, 1390, 1529, 1630, 1793, 2605, 3058, 3586, 5210, 5731, 7645, 8965, 11462, 15290, 17930, 22657, 28655, 45314, 57310, 72419, 84923, 113285, 144838, 169846, 226570, 249227, 362095, 424615, 498454, 724190, 796609, 849230, 934153, 1246135, 1593218, 1868306, 2492270, 3983045, 4670765, 7966090, 9341530, 11804297, 23608594, 59021485, 118042970, 129847267, 259694534, 649236335, 1298472670]

約数ペア:

[(1, 1298472670), (2, 649236335), (5, 259694534), (10, 129847267), (11, 118042970), (22, 59021485), (55, 23608594), (110, 11804297), (139, 9341530), (163, 7966090), (278, 4670765), (326, 3983045), (521, 2492270), (695, 1868306), (815, 1593218), (1042, 1246135), (1390, 934153), (1529, 849230), (1630, 796609), (1793, 724190), (2605, 498454), (3058, 424615), (3586, 362095), (5210, 249227), (5731, 226570), (7645, 169846), (8965, 144838), (11462, 113285), (15290, 84923), (17930, 72419), (22657, 57310), (28655, 45314)]