251493008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{5059}}^1$

素因数の和:5319

約数の個数: 40

約数和(自身を含む): 527049600

約数和(自身を除く): 275556592

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 239, 478, 956, 1912, 3107, 3824, 5059, 6214, 10118, 12428, 20236, 24856, 40472, 49712, 65767, 80944, 131534, 263068, 526136, 1052272, 1209101, 2418202, 4836404, 9672808, 15718313, 19345616, 31436626, 62873252, 125746504, 251493008]

約数ペア:

[(1, 251493008), (2, 125746504), (4, 62873252), (8, 31436626), (13, 19345616), (16, 15718313), (26, 9672808), (52, 4836404), (104, 2418202), (208, 1209101), (239, 1052272), (478, 526136), (956, 263068), (1912, 131534), (3107, 80944), (3824, 65767), (5059, 49712), (6214, 40472), (10118, 24856), (12428, 20236)]