64041775

素因数分解:

$5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{2273}}^1$

素因数の和:2320

約数の個数: 36

約数和(自身を含む): 96435792

約数和(自身を除く): 32394017

約数列:

[1, 5, 7, 23, 25, 35, 49, 115, 161, 175, 245, 575, 805, 1127, 1225, 2273, 4025, 5635, 11365, 15911, 28175, 52279, 56825, 79555, 111377, 261395, 365953, 397775, 556885, 1306975, 1829765, 2561671, 2784425, 9148825, 12808355, 64041775]

約数ペア:

[(1, 64041775), (5, 12808355), (7, 9148825), (23, 2784425), (25, 2561671), (35, 1829765), (49, 1306975), (115, 556885), (161, 397775), (175, 365953), (245, 261395), (575, 111377), (805, 79555), (1127, 56825), (1225, 52279), (2273, 28175), (4025, 15911), (5635, 11365)]