72759778

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:491

約数の個数: 64

約数和(自身を含む): 144426240

約数和(自身を除く): 71666462

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 53, 91, 106, 133, 182, 247, 266, 371, 397, 494, 689, 742, 794, 1007, 1378, 1729, 2014, 2779, 3458, 4823, 5161, 5558, 7049, 7543, 9646, 10322, 13091, 14098, 15086, 21041, 26182, 36127, 42082, 52801, 72254, 91637, 98059, 105602, 147287, 183274, 196118, 273533, 294574, 399779, 547066, 686413, 799558, 1372826, 1914731, 2798453, 3829462, 5197127, 5596906, 10394254, 36379889, 72759778]

約数ペア:

[(1, 72759778), (2, 36379889), (7, 10394254), (13, 5596906), (14, 5197127), (19, 3829462), (26, 2798453), (38, 1914731), (53, 1372826), (91, 799558), (106, 686413), (133, 547066), (182, 399779), (247, 294574), (266, 273533), (371, 196118), (397, 183274), (494, 147287), (689, 105602), (742, 98059), (794, 91637), (1007, 72254), (1378, 52801), (1729, 42082), (2014, 36127), (2779, 26182), (3458, 21041), (4823, 15086), (5161, 14098), (5558, 13091), (7049, 10322), (7543, 9646)]