216166145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{2797}}^1$

素因数の和:2885

約数の個数: 32

約数和(自身を含む): 296140320

約数和(自身を除く): 79974175

約数列:

[1, 5, 13, 29, 41, 65, 145, 205, 377, 533, 1189, 1885, 2665, 2797, 5945, 13985, 15457, 36361, 77285, 81113, 114677, 181805, 405565, 573385, 1054469, 1490801, 3325633, 5272345, 7454005, 16628165, 43233229, 216166145]

約数ペア:

[(1, 216166145), (5, 43233229), (13, 16628165), (29, 7454005), (41, 5272345), (65, 3325633), (145, 1490801), (205, 1054469), (377, 573385), (533, 405565), (1189, 181805), (1885, 114677), (2665, 81113), (2797, 77285), (5945, 36361), (13985, 15457)]