12709328

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:555

約数の個数: 40

約数和(自身を含む): 26248320

約数和(自身を除く): 13538992

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 97, 152, 194, 304, 388, 431, 776, 862, 1552, 1724, 1843, 3448, 3686, 6896, 7372, 8189, 14744, 16378, 29488, 32756, 41807, 65512, 83614, 131024, 167228, 334456, 668912, 794333, 1588666, 3177332, 6354664, 12709328]

約数ペア:

[(1, 12709328), (2, 6354664), (4, 3177332), (8, 1588666), (16, 794333), (19, 668912), (38, 334456), (76, 167228), (97, 131024), (152, 83614), (194, 65512), (304, 41807), (388, 32756), (431, 29488), (776, 16378), (862, 14744), (1552, 8189), (1724, 7372), (1843, 6896), (3448, 3686)]