66999928

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 139392000

約数和(自身を除く): 72392072

約数列:

[1, 2, 4, 8, 19, 31, 38, 59, 62, 76, 118, 124, 152, 236, 241, 248, 472, 482, 589, 964, 1121, 1178, 1829, 1928, 2242, 2356, 3658, 4484, 4579, 4712, 7316, 7471, 8968, 9158, 14219, 14632, 14942, 18316, 28438, 29884, 34751, 36632, 56876, 59768, 69502, 113752, 139004, 141949, 270161, 278008, 283898, 440789, 540322, 567796, 881578, 1080644, 1135592, 1763156, 2161288, 3526312, 8374991, 16749982, 33499964, 66999928]

約数ペア:

[(1, 66999928), (2, 33499964), (4, 16749982), (8, 8374991), (19, 3526312), (31, 2161288), (38, 1763156), (59, 1135592), (62, 1080644), (76, 881578), (118, 567796), (124, 540322), (152, 440789), (236, 283898), (241, 278008), (248, 270161), (472, 141949), (482, 139004), (589, 113752), (964, 69502), (1121, 59768), (1178, 56876), (1829, 36632), (1928, 34751), (2242, 29884), (2356, 28438), (3658, 18316), (4484, 14942), (4579, 14632), (4712, 14219), (7316, 9158), (7471, 8968)]