128859388

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1\times {\mathrm{1283}}^1$

素因数の和:1522

約数の個数: 48

約数和(自身を含む): 274385664

約数和(自身を除く): 145526276

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 211, 238, 422, 476, 844, 1283, 1477, 2566, 2954, 3587, 5132, 5908, 7174, 8981, 14348, 17962, 21811, 25109, 35924, 43622, 50218, 87244, 100436, 152677, 270713, 305354, 541426, 610708, 1082852, 1894991, 3789982, 4602121, 7579964, 9204242, 18408484, 32214847, 64429694, 128859388]

約数ペア:

[(1, 128859388), (2, 64429694), (4, 32214847), (7, 18408484), (14, 9204242), (17, 7579964), (28, 4602121), (34, 3789982), (68, 1894991), (119, 1082852), (211, 610708), (238, 541426), (422, 305354), (476, 270713), (844, 152677), (1283, 100436), (1477, 87244), (2566, 50218), (2954, 43622), (3587, 35924), (5132, 25109), (5908, 21811), (7174, 17962), (8981, 14348)]