291210068

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 551350800

約数和(自身を除く): 260140732

約数列:

[1, 2, 4, 17, 34, 68, 101, 109, 202, 218, 389, 404, 436, 778, 1556, 1717, 1853, 3434, 3706, 6613, 6868, 7412, 11009, 13226, 22018, 26452, 39289, 42401, 44036, 78578, 84802, 157156, 169604, 187153, 374306, 667913, 720817, 748612, 1335826, 1441634, 2671652, 2883268, 4282501, 8565002, 17130004, 72802517, 145605034, 291210068]

約数ペア:

[(1, 291210068), (2, 145605034), (4, 72802517), (17, 17130004), (34, 8565002), (68, 4282501), (101, 2883268), (109, 2671652), (202, 1441634), (218, 1335826), (389, 748612), (404, 720817), (436, 667913), (778, 374306), (1556, 187153), (1717, 169604), (1853, 157156), (3434, 84802), (3706, 78578), (6613, 44036), (6868, 42401), (7412, 39289), (11009, 26452), (13226, 22018)]