25418656

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:557

約数の個数: 48

約数和(自身を含む): 53343360

約数和(自身を除く): 27924704

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 97, 152, 194, 304, 388, 431, 608, 776, 862, 1552, 1724, 1843, 3104, 3448, 3686, 6896, 7372, 8189, 13792, 14744, 16378, 29488, 32756, 41807, 58976, 65512, 83614, 131024, 167228, 262048, 334456, 668912, 794333, 1337824, 1588666, 3177332, 6354664, 12709328, 25418656]

約数ペア:

[(1, 25418656), (2, 12709328), (4, 6354664), (8, 3177332), (16, 1588666), (19, 1337824), (32, 794333), (38, 668912), (76, 334456), (97, 262048), (152, 167228), (194, 131024), (304, 83614), (388, 65512), (431, 58976), (608, 41807), (776, 32756), (862, 29488), (1552, 16378), (1724, 14744), (1843, 13792), (3104, 8189), (3448, 7372), (3686, 6896)]