255353696

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{19801}}^1$

素因数の和:19855

約数の個数: 48

約数和(自身を含む): 558891648

約数和(自身を除く): 303537952

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 104, 124, 208, 248, 403, 416, 496, 806, 992, 1612, 3224, 6448, 12896, 19801, 39602, 79204, 158408, 257413, 316816, 514826, 613831, 633632, 1029652, 1227662, 2059304, 2455324, 4118608, 4910648, 7979803, 8237216, 9821296, 15959606, 19642592, 31919212, 63838424, 127676848, 255353696]

約数ペア:

[(1, 255353696), (2, 127676848), (4, 63838424), (8, 31919212), (13, 19642592), (16, 15959606), (26, 9821296), (31, 8237216), (32, 7979803), (52, 4910648), (62, 4118608), (104, 2455324), (124, 2059304), (208, 1227662), (248, 1029652), (403, 633632), (416, 613831), (496, 514826), (806, 316816), (992, 257413), (1612, 158408), (3224, 79204), (6448, 39602), (12896, 19801)]