1289238426

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{538529}}^1$

素因数の和:538563

約数の個数: 48

約数和(自身を含む): 3360427200

約数和(自身を除く): 2071188774

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 38, 42, 57, 63, 114, 126, 133, 171, 266, 342, 399, 798, 1197, 2394, 538529, 1077058, 1615587, 3231174, 3769703, 4846761, 7539406, 9693522, 10232051, 11309109, 20464102, 22618218, 30696153, 33927327, 61392306, 67854654, 71624357, 92088459, 143248714, 184176918, 214873071, 429746142, 644619213, 1289238426]

約数ペア:

[(1, 1289238426), (2, 644619213), (3, 429746142), (6, 214873071), (7, 184176918), (9, 143248714), (14, 92088459), (18, 71624357), (19, 67854654), (21, 61392306), (38, 33927327), (42, 30696153), (57, 22618218), (63, 20464102), (114, 11309109), (126, 10232051), (133, 9693522), (171, 7539406), (266, 4846761), (342, 3769703), (399, 3231174), (798, 1615587), (1197, 1077058), (2394, 538529)]