397216528

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{5659}}^1$

素因数の和:5815

約数の個数: 40

約数和(自身を含む): 795886560

約数和(自身を除く): 398670032

約数列:

[1, 2, 4, 8, 16, 41, 82, 107, 164, 214, 328, 428, 656, 856, 1712, 4387, 5659, 8774, 11318, 17548, 22636, 35096, 45272, 70192, 90544, 232019, 464038, 605513, 928076, 1211026, 1856152, 2422052, 3712304, 4844104, 9688208, 24826033, 49652066, 99304132, 198608264, 397216528]

約数ペア:

[(1, 397216528), (2, 198608264), (4, 99304132), (8, 49652066), (16, 24826033), (41, 9688208), (82, 4844104), (107, 3712304), (164, 2422052), (214, 1856152), (328, 1211026), (428, 928076), (656, 605513), (856, 464038), (1712, 232019), (4387, 90544), (5659, 70192), (8774, 45272), (11318, 35096), (17548, 22636)]