71579248

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{653}}^1$

素因数の和:722

約数の個数: 80

約数和(自身を含む): 163489536

約数和(自身を除く): 91910288

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 31, 34, 52, 62, 68, 104, 124, 136, 208, 221, 248, 272, 403, 442, 496, 527, 653, 806, 884, 1054, 1306, 1612, 1768, 2108, 2612, 3224, 3536, 4216, 5224, 6448, 6851, 8432, 8489, 10448, 11101, 13702, 16978, 20243, 22202, 27404, 33956, 40486, 44404, 54808, 67912, 80972, 88808, 109616, 135824, 144313, 161944, 177616, 263159, 288626, 323888, 344131, 526318, 577252, 688262, 1052636, 1154504, 1376524, 2105272, 2309008, 2753048, 4210544, 4473703, 5506096, 8947406, 17894812, 35789624, 71579248]

約数ペア:

[(1, 71579248), (2, 35789624), (4, 17894812), (8, 8947406), (13, 5506096), (16, 4473703), (17, 4210544), (26, 2753048), (31, 2309008), (34, 2105272), (52, 1376524), (62, 1154504), (68, 1052636), (104, 688262), (124, 577252), (136, 526318), (208, 344131), (221, 323888), (248, 288626), (272, 263159), (403, 177616), (442, 161944), (496, 144313), (527, 135824), (653, 109616), (806, 88808), (884, 80972), (1054, 67912), (1306, 54808), (1612, 44404), (1768, 40486), (2108, 33956), (2612, 27404), (3224, 22202), (3536, 20243), (4216, 16978), (5224, 13702), (6448, 11101), (6851, 10448), (8432, 8489)]