289316508

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{331}}^1\times {\mathrm{431}}^1$

素因数の和:795

約数の個数: 72

約数和(自身を含む): 734904576

約数和(自身を除く): 445588068

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 331, 338, 431, 507, 662, 676, 862, 993, 1014, 1293, 1324, 1724, 1986, 2028, 2586, 3972, 4303, 5172, 5603, 8606, 11206, 12909, 16809, 17212, 22412, 25818, 33618, 51636, 55939, 67236, 72839, 111878, 142661, 145678, 167817, 218517, 223756, 285322, 291356, 335634, 427983, 437034, 570644, 671268, 855966, 874068, 1711932, 1854593, 3709186, 5563779, 7418372, 11127558, 22255116, 24109709, 48219418, 72329127, 96438836, 144658254, 289316508]

約数ペア:

[(1, 289316508), (2, 144658254), (3, 96438836), (4, 72329127), (6, 48219418), (12, 24109709), (13, 22255116), (26, 11127558), (39, 7418372), (52, 5563779), (78, 3709186), (156, 1854593), (169, 1711932), (331, 874068), (338, 855966), (431, 671268), (507, 570644), (662, 437034), (676, 427983), (862, 335634), (993, 291356), (1014, 285322), (1293, 223756), (1324, 218517), (1724, 167817), (1986, 145678), (2028, 142661), (2586, 111878), (3972, 72839), (4303, 67236), (5172, 55939), (5603, 51636), (8606, 33618), (11206, 25818), (12909, 22412), (16809, 17212)]