51995268

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{461}}^1$

素因数の和:725

約数の個数: 72

約数和(自身を含む): 142438296

約数和(自身を除く): 90443028

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 241, 461, 468, 482, 723, 922, 964, 1383, 1446, 1844, 2169, 2766, 2892, 3133, 4149, 4338, 5532, 5993, 6266, 8298, 8676, 9399, 11986, 12532, 16596, 17979, 18798, 23972, 28197, 35958, 37596, 53937, 56394, 71916, 107874, 111101, 112788, 215748, 222202, 333303, 444404, 666606, 999909, 1333212, 1444313, 1999818, 2888626, 3999636, 4332939, 5777252, 8665878, 12998817, 17331756, 25997634, 51995268]

約数ペア:

[(1, 51995268), (2, 25997634), (3, 17331756), (4, 12998817), (6, 8665878), (9, 5777252), (12, 4332939), (13, 3999636), (18, 2888626), (26, 1999818), (36, 1444313), (39, 1333212), (52, 999909), (78, 666606), (117, 444404), (156, 333303), (234, 222202), (241, 215748), (461, 112788), (468, 111101), (482, 107874), (723, 71916), (922, 56394), (964, 53937), (1383, 37596), (1446, 35958), (1844, 28197), (2169, 23972), (2766, 18798), (2892, 17979), (3133, 16596), (4149, 12532), (4338, 11986), (5532, 9399), (5993, 8676), (6266, 8298)]