641221944

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{18541}}^1$

素因数の和:18692

約数の個数: 64

約数和(自身を含む): 1762231680

約数和(自身を除く): 1121009736

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 131, 132, 262, 264, 393, 524, 786, 1048, 1441, 1572, 2882, 3144, 4323, 5764, 8646, 11528, 17292, 18541, 34584, 37082, 55623, 74164, 111246, 148328, 203951, 222492, 407902, 444984, 611853, 815804, 1223706, 1631608, 2428871, 2447412, 4857742, 4894824, 7286613, 9715484, 14573226, 19430968, 26717581, 29146452, 53435162, 58292904, 80152743, 106870324, 160305486, 213740648, 320610972, 641221944]

約数ペア:

[(1, 641221944), (2, 320610972), (3, 213740648), (4, 160305486), (6, 106870324), (8, 80152743), (11, 58292904), (12, 53435162), (22, 29146452), (24, 26717581), (33, 19430968), (44, 14573226), (66, 9715484), (88, 7286613), (131, 4894824), (132, 4857742), (262, 2447412), (264, 2428871), (393, 1631608), (524, 1223706), (786, 815804), (1048, 611853), (1441, 444984), (1572, 407902), (2882, 222492), (3144, 203951), (4323, 148328), (5764, 111246), (8646, 74164), (11528, 55623), (17292, 37082), (18541, 34584)]