1279789610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{163}}^1\times {\mathrm{521}}^1$

素因数の和:839

約数の個数: 64

約数和(自身を含む): 2551803264

約数和(自身を除く): 1272013654

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 137, 163, 274, 326, 521, 685, 815, 1042, 1370, 1507, 1630, 1793, 2605, 3014, 3586, 5210, 5731, 7535, 8965, 11462, 15070, 17930, 22331, 28655, 44662, 57310, 71377, 84923, 111655, 142754, 169846, 223310, 245641, 356885, 424615, 491282, 713770, 785147, 849230, 934153, 1228205, 1570294, 1868306, 2456410, 3925735, 4670765, 7851470, 9341530, 11634451, 23268902, 58172255, 116344510, 127978961, 255957922, 639894805, 1279789610]

約数ペア:

[(1, 1279789610), (2, 639894805), (5, 255957922), (10, 127978961), (11, 116344510), (22, 58172255), (55, 23268902), (110, 11634451), (137, 9341530), (163, 7851470), (274, 4670765), (326, 3925735), (521, 2456410), (685, 1868306), (815, 1570294), (1042, 1228205), (1370, 934153), (1507, 849230), (1630, 785147), (1793, 713770), (2605, 491282), (3014, 424615), (3586, 356885), (5210, 245641), (5731, 223310), (7535, 169846), (8965, 142754), (11462, 111655), (15070, 84923), (17930, 71377), (22331, 57310), (28655, 44662)]