28897704

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 89631360

約数和(自身を除く): 60733656

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 31, 33, 36, 44, 62, 66, 72, 88, 93, 99, 107, 121, 124, 132, 186, 198, 214, 242, 248, 264, 279, 321, 341, 363, 372, 396, 428, 484, 558, 642, 682, 726, 744, 792, 856, 963, 968, 1023, 1089, 1116, 1177, 1284, 1364, 1452, 1926, 2046, 2178, 2232, 2354, 2568, 2728, 2904, 3069, 3317, 3531, 3751, 3852, 4092, 4356, 4708, 6138, 6634, 7062, 7502, 7704, 8184, 8712, 9416, 9951, 10593, 11253, 12276, 12947, 13268, 14124, 15004, 19902, 21186, 22506, 24552, 25894, 26536, 28248, 29853, 30008, 33759, 36487, 38841, 39804, 42372, 45012, 51788, 59706, 67518, 72974, 77682, 79608, 84744, 90024, 103576, 109461, 116523, 119412, 135036, 145948, 155364, 218922, 233046, 238824, 270072, 291896, 310728, 328383, 401357, 437844, 466092, 656766, 802714, 875688, 932184, 1204071, 1313532, 1605428, 2408142, 2627064, 3210856, 3612213, 4816284, 7224426, 9632568, 14448852, 28897704]

約数ペア:

[(1, 28897704), (2, 14448852), (3, 9632568), (4, 7224426), (6, 4816284), (8, 3612213), (9, 3210856), (11, 2627064), (12, 2408142), (18, 1605428), (22, 1313532), (24, 1204071), (31, 932184), (33, 875688), (36, 802714), (44, 656766), (62, 466092), (66, 437844), (72, 401357), (88, 328383), (93, 310728), (99, 291896), (107, 270072), (121, 238824), (124, 233046), (132, 218922), (186, 155364), (198, 145948), (214, 135036), (242, 119412), (248, 116523), (264, 109461), (279, 103576), (321, 90024), (341, 84744), (363, 79608), (372, 77682), (396, 72974), (428, 67518), (484, 59706), (558, 51788), (642, 45012), (682, 42372), (726, 39804), (744, 38841), (792, 36487), (856, 33759), (963, 30008), (968, 29853), (1023, 28248), (1089, 26536), (1116, 25894), (1177, 24552), (1284, 22506), (1364, 21186), (1452, 19902), (1926, 15004), (2046, 14124), (2178, 13268), (2232, 12947), (2354, 12276), (2568, 11253), (2728, 10593), (2904, 9951), (3069, 9416), (3317, 8712), (3531, 8184), (3751, 7704), (3852, 7502), (4092, 7062), (4356, 6634), (4708, 6138)]