1640590926065

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{1709}}^1\times {\mathrm{4297}}^1$

素因数の和:6522

約数の個数: 64

約数和(自身を含む): 2429947537920

約数和(自身を除く): 789356611855

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 491, 1709, 2455, 3437, 4297, 6383, 8545, 11963, 17185, 21485, 22217, 30079, 31915, 44681, 55861, 59815, 111085, 150395, 155519, 223405, 279305, 391027, 777595, 839119, 1955135, 2109827, 4195595, 5873833, 7343573, 10549135, 10908547, 14768789, 27427751, 29369165, 36717865, 51405011, 54542735, 73843945, 76359829, 95466449, 137138755, 191994257, 257025055, 381799145, 477332245, 668265143, 959971285, 3341325715, 3605694343, 18028471715, 25239860401, 46874026459, 126199302005, 234370132295, 328118185213, 1640590926065]

約数ペア:

[(1, 1640590926065), (5, 328118185213), (7, 234370132295), (13, 126199302005), (35, 46874026459), (65, 25239860401), (91, 18028471715), (455, 3605694343), (491, 3341325715), (1709, 959971285), (2455, 668265143), (3437, 477332245), (4297, 381799145), (6383, 257025055), (8545, 191994257), (11963, 137138755), (17185, 95466449), (21485, 76359829), (22217, 73843945), (30079, 54542735), (31915, 51405011), (44681, 36717865), (55861, 29369165), (59815, 27427751), (111085, 14768789), (150395, 10908547), (155519, 10549135), (223405, 7343573), (279305, 5873833), (391027, 4195595), (777595, 2109827), (839119, 1955135)]