16681668

素因数分解:

$2^2\times 3^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 40031040

約数和(自身を除く): 23349372

約数列:

[1, 2, 3, 4, 6, 12, 73, 137, 139, 146, 219, 274, 278, 292, 411, 417, 438, 548, 556, 822, 834, 876, 1644, 1668, 10001, 10147, 19043, 20002, 20294, 30003, 30441, 38086, 40004, 40588, 57129, 60006, 60882, 76172, 114258, 120012, 121764, 228516, 1390139, 2780278, 4170417, 5560556, 8340834, 16681668]

約数ペア:

[(1, 16681668), (2, 8340834), (3, 5560556), (4, 4170417), (6, 2780278), (12, 1390139), (73, 228516), (137, 121764), (139, 120012), (146, 114258), (219, 76172), (274, 60882), (278, 60006), (292, 57129), (411, 40588), (417, 40004), (438, 38086), (548, 30441), (556, 30003), (822, 20294), (834, 20002), (876, 19043), (1644, 10147), (1668, 10001)]