221551172

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{347}}^1$

素因数の和:672

約数の個数: 48

約数和(自身を含む): 424058880

約数和(自身を除く): 202507708

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 271, 347, 542, 589, 694, 1084, 1178, 1388, 2356, 5149, 6593, 8401, 10298, 10757, 13186, 16802, 20596, 21514, 26372, 33604, 43028, 94037, 159619, 188074, 204383, 319238, 376148, 408766, 638476, 817532, 1786703, 2915147, 3573406, 5830294, 7146812, 11660588, 55387793, 110775586, 221551172]

約数ペア:

[(1, 221551172), (2, 110775586), (4, 55387793), (19, 11660588), (31, 7146812), (38, 5830294), (62, 3573406), (76, 2915147), (124, 1786703), (271, 817532), (347, 638476), (542, 408766), (589, 376148), (694, 319238), (1084, 204383), (1178, 188074), (1388, 159619), (2356, 94037), (5149, 43028), (6593, 33604), (8401, 26372), (10298, 21514), (10757, 20596), (13186, 16802)]