28605808

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:171

約数の個数: 120

約数和(自身を含む): 73281024

約数和(自身を除く): 44675216

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 44, 49, 56, 62, 77, 88, 98, 107, 112, 124, 154, 176, 196, 214, 217, 248, 308, 341, 392, 428, 434, 496, 539, 616, 682, 749, 784, 856, 868, 1078, 1177, 1232, 1364, 1498, 1519, 1712, 1736, 2156, 2354, 2387, 2728, 2996, 3038, 3317, 3472, 4312, 4708, 4774, 5243, 5456, 5992, 6076, 6634, 8239, 8624, 9416, 9548, 10486, 11984, 12152, 13268, 16478, 16709, 18832, 19096, 20972, 23219, 24304, 26536, 32956, 33418, 36487, 38192, 41944, 46438, 53072, 57673, 65912, 66836, 72974, 83888, 92876, 115346, 131824, 133672, 145948, 162533, 185752, 230692, 255409, 267344, 291896, 325066, 371504, 461384, 510818, 583792, 650132, 922768, 1021636, 1300264, 1787863, 2043272, 2600528, 3575726, 4086544, 7151452, 14302904, 28605808]

約数ペア:

[(1, 28605808), (2, 14302904), (4, 7151452), (7, 4086544), (8, 3575726), (11, 2600528), (14, 2043272), (16, 1787863), (22, 1300264), (28, 1021636), (31, 922768), (44, 650132), (49, 583792), (56, 510818), (62, 461384), (77, 371504), (88, 325066), (98, 291896), (107, 267344), (112, 255409), (124, 230692), (154, 185752), (176, 162533), (196, 145948), (214, 133672), (217, 131824), (248, 115346), (308, 92876), (341, 83888), (392, 72974), (428, 66836), (434, 65912), (496, 57673), (539, 53072), (616, 46438), (682, 41944), (749, 38192), (784, 36487), (856, 33418), (868, 32956), (1078, 26536), (1177, 24304), (1232, 23219), (1364, 20972), (1498, 19096), (1519, 18832), (1712, 16709), (1736, 16478), (2156, 13268), (2354, 12152), (2387, 11984), (2728, 10486), (2996, 9548), (3038, 9416), (3317, 8624), (3472, 8239), (4312, 6634), (4708, 6076), (4774, 5992), (5243, 5456)]