165721984

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{76159}}^1$

素因数の和:76190

約数の個数: 32

約数和(自身を含む): 349574400

約数和(自身を除く): 183852416

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 544, 1088, 2176, 76159, 152318, 304636, 609272, 1218544, 1294703, 2437088, 2589406, 4874176, 5178812, 9748352, 10357624, 20715248, 41430496, 82860992, 165721984]

約数ペア:

[(1, 165721984), (2, 82860992), (4, 41430496), (8, 20715248), (16, 10357624), (17, 9748352), (32, 5178812), (34, 4874176), (64, 2589406), (68, 2437088), (128, 1294703), (136, 1218544), (272, 609272), (544, 304636), (1088, 152318), (2176, 76159)]