28970964

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:661

約数の個数: 72

約数和(自身を含む): 80589600

約数和(自身を除く): 51618636

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 132, 149, 198, 298, 396, 447, 491, 596, 894, 982, 1341, 1473, 1639, 1788, 1964, 2682, 2946, 3278, 4419, 4917, 5364, 5401, 5892, 6556, 8838, 9834, 10802, 14751, 16203, 17676, 19668, 21604, 29502, 32406, 48609, 59004, 64812, 73159, 97218, 146318, 194436, 219477, 292636, 438954, 658431, 804749, 877908, 1316862, 1609498, 2414247, 2633724, 3218996, 4828494, 7242741, 9656988, 14485482, 28970964]

約数ペア:

[(1, 28970964), (2, 14485482), (3, 9656988), (4, 7242741), (6, 4828494), (9, 3218996), (11, 2633724), (12, 2414247), (18, 1609498), (22, 1316862), (33, 877908), (36, 804749), (44, 658431), (66, 438954), (99, 292636), (132, 219477), (149, 194436), (198, 146318), (298, 97218), (396, 73159), (447, 64812), (491, 59004), (596, 48609), (894, 32406), (982, 29502), (1341, 21604), (1473, 19668), (1639, 17676), (1788, 16203), (1964, 14751), (2682, 10802), (2946, 9834), (3278, 8838), (4419, 6556), (4917, 5892), (5364, 5401)]