817908

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 2413152

約数和(自身を除く): 1595244

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 107, 147, 156, 182, 196, 214, 273, 294, 321, 364, 428, 546, 588, 637, 642, 749, 1092, 1274, 1284, 1391, 1498, 1911, 2247, 2548, 2782, 2996, 3822, 4173, 4494, 5243, 5564, 7644, 8346, 8988, 9737, 10486, 15729, 16692, 19474, 20972, 29211, 31458, 38948, 58422, 62916, 68159, 116844, 136318, 204477, 272636, 408954, 817908]

約数ペア:

[(1, 817908), (2, 408954), (3, 272636), (4, 204477), (6, 136318), (7, 116844), (12, 68159), (13, 62916), (14, 58422), (21, 38948), (26, 31458), (28, 29211), (39, 20972), (42, 19474), (49, 16692), (52, 15729), (78, 10486), (84, 9737), (91, 8988), (98, 8346), (107, 7644), (147, 5564), (156, 5243), (182, 4494), (196, 4173), (214, 3822), (273, 2996), (294, 2782), (321, 2548), (364, 2247), (428, 1911), (546, 1498), (588, 1391), (637, 1284), (642, 1274), (749, 1092)]