26999570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:699

約数の個数: 64

約数和(自身を含む): 58423680

約数和(自身を除く): 31424110

約数列:

[1, 2, 5, 10, 13, 17, 19, 26, 34, 38, 65, 85, 95, 130, 170, 190, 221, 247, 323, 442, 494, 643, 646, 1105, 1235, 1286, 1615, 2210, 2470, 3215, 3230, 4199, 6430, 8359, 8398, 10931, 12217, 16718, 20995, 21862, 24434, 41795, 41990, 54655, 61085, 83590, 109310, 122170, 142103, 158821, 207689, 284206, 317642, 415378, 710515, 794105, 1038445, 1421030, 1588210, 2076890, 2699957, 5399914, 13499785, 26999570]

約数ペア:

[(1, 26999570), (2, 13499785), (5, 5399914), (10, 2699957), (13, 2076890), (17, 1588210), (19, 1421030), (26, 1038445), (34, 794105), (38, 710515), (65, 415378), (85, 317642), (95, 284206), (130, 207689), (170, 158821), (190, 142103), (221, 122170), (247, 109310), (323, 83590), (442, 61085), (494, 54655), (643, 41990), (646, 41795), (1105, 24434), (1235, 21862), (1286, 20995), (1615, 16718), (2210, 12217), (2470, 10931), (3215, 8398), (3230, 8359), (4199, 6430)]