28759969205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1\times {\mathrm{1213}}^1$

素因数の和:1518

約数の個数: 64

約数和(自身を含む): 39539183616

約数和(自身を除く): 10779214411

約数列:

[1, 5, 11, 37, 55, 61, 185, 191, 305, 407, 671, 955, 1213, 2035, 2101, 2257, 3355, 6065, 7067, 10505, 11285, 11651, 13343, 24827, 35335, 44881, 58255, 66715, 73993, 77737, 124135, 128161, 224405, 231683, 369965, 388685, 431087, 493691, 640805, 813923, 1158415, 2155435, 2468455, 2548513, 2737741, 4069615, 4741957, 8572271, 12742565, 13688705, 14132663, 23709785, 30115151, 42861355, 70663315, 94294981, 150575755, 155459293, 471474905, 522908531, 777296465, 2614542655, 5751993841, 28759969205]

約数ペア:

[(1, 28759969205), (5, 5751993841), (11, 2614542655), (37, 777296465), (55, 522908531), (61, 471474905), (185, 155459293), (191, 150575755), (305, 94294981), (407, 70663315), (671, 42861355), (955, 30115151), (1213, 23709785), (2035, 14132663), (2101, 13688705), (2257, 12742565), (3355, 8572271), (6065, 4741957), (7067, 4069615), (10505, 2737741), (11285, 2548513), (11651, 2468455), (13343, 2155435), (24827, 1158415), (35335, 813923), (44881, 640805), (58255, 493691), (66715, 431087), (73993, 388685), (77737, 369965), (124135, 231683), (128161, 224405)]