128671566

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 273715200

約数和(自身を除く): 145043634

約数列:

[1, 2, 3, 6, 43, 59, 79, 86, 107, 118, 129, 158, 177, 214, 237, 258, 321, 354, 474, 642, 2537, 3397, 4601, 4661, 5074, 6313, 6794, 7611, 8453, 9202, 9322, 10191, 12626, 13803, 13983, 15222, 16906, 18939, 20382, 25359, 27606, 27966, 37878, 50718, 200423, 271459, 363479, 400846, 498727, 542918, 601269, 726958, 814377, 997454, 1090437, 1202538, 1496181, 1628754, 2180874, 2992362, 21445261, 42890522, 64335783, 128671566]

約数ペア:

[(1, 128671566), (2, 64335783), (3, 42890522), (6, 21445261), (43, 2992362), (59, 2180874), (79, 1628754), (86, 1496181), (107, 1202538), (118, 1090437), (129, 997454), (158, 814377), (177, 726958), (214, 601269), (237, 542918), (258, 498727), (321, 400846), (354, 363479), (474, 271459), (642, 200423), (2537, 50718), (3397, 37878), (4601, 27966), (4661, 27606), (5074, 25359), (6313, 20382), (6794, 18939), (7611, 16906), (8453, 15222), (9202, 13983), (9322, 13803), (10191, 12626)]