30778748

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7687}}^1$

素因数の和:7722

約数の個数: 48

約数和(自身を含む): 72328704

約数和(自身を除く): 41549956

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 7687, 15374, 30748, 53809, 84557, 99931, 107618, 169114, 199862, 215236, 338228, 399724, 591899, 699517, 1099241, 1183798, 1399034, 2198482, 2367596, 2798068, 4396964, 7694687, 15389374, 30778748]

約数ペア:

[(1, 30778748), (2, 15389374), (4, 7694687), (7, 4396964), (11, 2798068), (13, 2367596), (14, 2198482), (22, 1399034), (26, 1183798), (28, 1099241), (44, 699517), (52, 591899), (77, 399724), (91, 338228), (143, 215236), (154, 199862), (182, 169114), (286, 107618), (308, 99931), (364, 84557), (572, 53809), (1001, 30748), (2002, 15374), (4004, 7687)]