221216296535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{887}}^1\times {\mathrm{1931}}^1\times {\mathrm{1987}}^1$

素因数の和:4823

約数の個数: 32

約数和(自身を含む): 286494147072

約数和(自身を除く): 65277850537

約数列:

[1, 5, 13, 65, 887, 1931, 1987, 4435, 9655, 9935, 11531, 25103, 25831, 57655, 125515, 129155, 1712797, 1762469, 3836897, 8563985, 8812345, 19184485, 22266361, 22912097, 49879661, 111331805, 114560485, 249398305, 3403327639, 17016638195, 44243259307, 221216296535]

約数ペア:

[(1, 221216296535), (5, 44243259307), (13, 17016638195), (65, 3403327639), (887, 249398305), (1931, 114560485), (1987, 111331805), (4435, 49879661), (9655, 22912097), (9935, 22266361), (11531, 19184485), (25103, 8812345), (25831, 8563985), (57655, 3836897), (125515, 1762469), (129155, 1712797)]