81155272

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{419}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 174182400

約数和(自身を除く): 93027128

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 71, 88, 124, 142, 248, 284, 341, 419, 568, 682, 781, 838, 1364, 1562, 1676, 2201, 2728, 3124, 3352, 4402, 4609, 6248, 8804, 9218, 12989, 17608, 18436, 24211, 25978, 29749, 36872, 48422, 51956, 59498, 96844, 103912, 118996, 142879, 193688, 237992, 285758, 327239, 571516, 654478, 922219, 1143032, 1308956, 1844438, 2617912, 3688876, 7377752, 10144409, 20288818, 40577636, 81155272]

約数ペア:

[(1, 81155272), (2, 40577636), (4, 20288818), (8, 10144409), (11, 7377752), (22, 3688876), (31, 2617912), (44, 1844438), (62, 1308956), (71, 1143032), (88, 922219), (124, 654478), (142, 571516), (248, 327239), (284, 285758), (341, 237992), (419, 193688), (568, 142879), (682, 118996), (781, 103912), (838, 96844), (1364, 59498), (1562, 51956), (1676, 48422), (2201, 36872), (2728, 29749), (3124, 25978), (3352, 24211), (4402, 18436), (4609, 17608), (6248, 12989), (8804, 9218)]