66716728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:292

約数の個数: 64

約数和(自身を含む): 139708800

約数和(自身を除く): 72992072

約数列:

[1, 2, 4, 8, 13, 26, 52, 59, 83, 104, 118, 131, 166, 236, 262, 332, 472, 524, 664, 767, 1048, 1079, 1534, 1703, 2158, 3068, 3406, 4316, 4897, 6136, 6812, 7729, 8632, 9794, 10873, 13624, 15458, 19588, 21746, 30916, 39176, 43492, 61832, 63661, 86984, 100477, 127322, 141349, 200954, 254644, 282698, 401908, 509288, 565396, 641507, 803816, 1130792, 1283014, 2566028, 5132056, 8339591, 16679182, 33358364, 66716728]

約数ペア:

[(1, 66716728), (2, 33358364), (4, 16679182), (8, 8339591), (13, 5132056), (26, 2566028), (52, 1283014), (59, 1130792), (83, 803816), (104, 641507), (118, 565396), (131, 509288), (166, 401908), (236, 282698), (262, 254644), (332, 200954), (472, 141349), (524, 127322), (664, 100477), (767, 86984), (1048, 63661), (1079, 61832), (1534, 43492), (1703, 39176), (2158, 30916), (3068, 21746), (3406, 19588), (4316, 15458), (4897, 13624), (6136, 10873), (6812, 9794), (7729, 8632)]