8121256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 18547200

約数和(自身を除く): 10425944

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 31, 44, 52, 62, 88, 104, 124, 143, 229, 248, 286, 341, 403, 458, 572, 682, 806, 916, 1144, 1364, 1612, 1832, 2519, 2728, 2977, 3224, 4433, 5038, 5954, 7099, 8866, 10076, 11908, 14198, 17732, 20152, 23816, 28396, 32747, 35464, 56792, 65494, 78089, 92287, 130988, 156178, 184574, 261976, 312356, 369148, 624712, 738296, 1015157, 2030314, 4060628, 8121256]

約数ペア:

[(1, 8121256), (2, 4060628), (4, 2030314), (8, 1015157), (11, 738296), (13, 624712), (22, 369148), (26, 312356), (31, 261976), (44, 184574), (52, 156178), (62, 130988), (88, 92287), (104, 78089), (124, 65494), (143, 56792), (229, 35464), (248, 32747), (286, 28396), (341, 23816), (403, 20152), (458, 17732), (572, 14198), (682, 11908), (806, 10076), (916, 8866), (1144, 7099), (1364, 5954), (1612, 5038), (1832, 4433), (2519, 3224), (2728, 2977)]