255121636

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{491}}^1$

素因数の和:761

約数の個数: 72

約数和(自身を含む): 570078432

約数和(自身を除く): 314956796

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 241, 308, 482, 491, 539, 964, 982, 1078, 1687, 1964, 2156, 2651, 3374, 3437, 5302, 5401, 6748, 6874, 10604, 10802, 11809, 13748, 18557, 21604, 23618, 24059, 37114, 37807, 47236, 48118, 74228, 75614, 96236, 118331, 129899, 151228, 236662, 259798, 264649, 473324, 519596, 529298, 828317, 1058596, 1301641, 1656634, 2603282, 3313268, 5206564, 5798219, 9111487, 11596438, 18222974, 23192876, 36445948, 63780409, 127560818, 255121636]

約数ペア:

[(1, 255121636), (2, 127560818), (4, 63780409), (7, 36445948), (11, 23192876), (14, 18222974), (22, 11596438), (28, 9111487), (44, 5798219), (49, 5206564), (77, 3313268), (98, 2603282), (154, 1656634), (196, 1301641), (241, 1058596), (308, 828317), (482, 529298), (491, 519596), (539, 473324), (964, 264649), (982, 259798), (1078, 236662), (1687, 151228), (1964, 129899), (2156, 118331), (2651, 96236), (3374, 75614), (3437, 74228), (5302, 48118), (5401, 47236), (6748, 37807), (6874, 37114), (10604, 24059), (10802, 23618), (11809, 21604), (13748, 18557)]