648454644

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{4159}}^1$

素因数の和:4301

約数の個数: 72

約数和(自身を含む): 1689891840

約数和(自身を除く): 1041437196

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 71, 122, 142, 183, 213, 244, 284, 366, 426, 549, 639, 732, 852, 1098, 1278, 2196, 2556, 4159, 4331, 8318, 8662, 12477, 12993, 16636, 17324, 24954, 25986, 37431, 38979, 49908, 51972, 74862, 77958, 149724, 155916, 253699, 295289, 507398, 590578, 761097, 885867, 1014796, 1181156, 1522194, 1771734, 2283291, 2657601, 3044388, 3543468, 4566582, 5315202, 9133164, 10630404, 18012629, 36025258, 54037887, 72050516, 108075774, 162113661, 216151548, 324227322, 648454644]

約数ペア:

[(1, 648454644), (2, 324227322), (3, 216151548), (4, 162113661), (6, 108075774), (9, 72050516), (12, 54037887), (18, 36025258), (36, 18012629), (61, 10630404), (71, 9133164), (122, 5315202), (142, 4566582), (183, 3543468), (213, 3044388), (244, 2657601), (284, 2283291), (366, 1771734), (426, 1522194), (549, 1181156), (639, 1014796), (732, 885867), (852, 761097), (1098, 590578), (1278, 507398), (2196, 295289), (2556, 253699), (4159, 155916), (4331, 149724), (8318, 77958), (8662, 74862), (12477, 51972), (12993, 49908), (16636, 38979), (17324, 37431), (24954, 25986)]