247279916

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:554

約数の個数: 48

約数和(自身を含む): 475009920

約数和(自身を除く): 227730004

約数列:

[1, 2, 4, 13, 26, 52, 101, 197, 202, 239, 394, 404, 478, 788, 956, 1313, 2561, 2626, 3107, 5122, 5252, 6214, 10244, 12428, 19897, 24139, 39794, 47083, 48278, 79588, 94166, 96556, 188332, 258661, 313807, 517322, 612079, 627614, 1034644, 1224158, 1255228, 2448316, 4755383, 9510766, 19021532, 61819979, 123639958, 247279916]

約数ペア:

[(1, 247279916), (2, 123639958), (4, 61819979), (13, 19021532), (26, 9510766), (52, 4755383), (101, 2448316), (197, 1255228), (202, 1224158), (239, 1034644), (394, 627614), (404, 612079), (478, 517322), (788, 313807), (956, 258661), (1313, 188332), (2561, 96556), (2626, 94166), (3107, 79588), (5122, 48278), (5252, 47083), (6214, 39794), (10244, 24139), (12428, 19897)]