81837910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4621}}^1$

素因数の和:4669

約数の個数: 64

約数和(自身を含む): 191683584

約数和(自身を除く): 109845674

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 35, 46, 55, 70, 77, 110, 115, 154, 161, 230, 253, 322, 385, 506, 770, 805, 1265, 1610, 1771, 2530, 3542, 4621, 8855, 9242, 17710, 23105, 32347, 46210, 50831, 64694, 101662, 106283, 161735, 212566, 254155, 323470, 355817, 508310, 531415, 711634, 743981, 1062830, 1169113, 1487962, 1779085, 2338226, 3558170, 3719905, 5845565, 7439810, 8183791, 11691130, 16367582, 40918955, 81837910]

約数ペア:

[(1, 81837910), (2, 40918955), (5, 16367582), (7, 11691130), (10, 8183791), (11, 7439810), (14, 5845565), (22, 3719905), (23, 3558170), (35, 2338226), (46, 1779085), (55, 1487962), (70, 1169113), (77, 1062830), (110, 743981), (115, 711634), (154, 531415), (161, 508310), (230, 355817), (253, 323470), (322, 254155), (385, 212566), (506, 161735), (770, 106283), (805, 101662), (1265, 64694), (1610, 50831), (1771, 46210), (2530, 32347), (3542, 23105), (4621, 17710), (8855, 9242)]