981499012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{10993}}^1$

素因数の和:11128

約数の個数: 48

約数和(自身を含む): 1978128432

約数和(自身を除く): 996629420

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 101, 202, 221, 404, 442, 884, 1313, 1717, 2626, 3434, 5252, 6868, 10993, 21986, 22321, 43972, 44642, 89284, 142909, 186881, 285818, 373762, 571636, 747524, 1110293, 2220586, 2429453, 4441172, 4858906, 9717812, 14433809, 18874981, 28867618, 37749962, 57735236, 75499924, 245374753, 490749506, 981499012]

約数ペア:

[(1, 981499012), (2, 490749506), (4, 245374753), (13, 75499924), (17, 57735236), (26, 37749962), (34, 28867618), (52, 18874981), (68, 14433809), (101, 9717812), (202, 4858906), (221, 4441172), (404, 2429453), (442, 2220586), (884, 1110293), (1313, 747524), (1717, 571636), (2626, 373762), (3434, 285818), (5252, 186881), (6868, 142909), (10993, 89284), (21986, 44642), (22321, 43972)]