15520388

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{181}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 31462704

約数和(自身を除く): 15942316

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 97, 181, 194, 221, 362, 388, 442, 724, 884, 1261, 1649, 2353, 2522, 3077, 3298, 4706, 5044, 6154, 6596, 9412, 12308, 17557, 21437, 35114, 40001, 42874, 70228, 80002, 85748, 160004, 228241, 298469, 456482, 596938, 912964, 1193876, 3880097, 7760194, 15520388]

約数ペア:

[(1, 15520388), (2, 7760194), (4, 3880097), (13, 1193876), (17, 912964), (26, 596938), (34, 456482), (52, 298469), (68, 228241), (97, 160004), (181, 85748), (194, 80002), (221, 70228), (362, 42874), (388, 40001), (442, 35114), (724, 21437), (884, 17557), (1261, 12308), (1649, 9412), (2353, 6596), (2522, 6154), (3077, 5044), (3298, 4706)]