291681328

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{1153}}^1$

素因数の和:1421

約数の個数: 40

約数和(自身を含む): 574959728

約数和(自身を除く): 283278400

約数列:

[1, 2, 4, 8, 16, 97, 163, 194, 326, 388, 652, 776, 1153, 1304, 1552, 2306, 2608, 4612, 9224, 15811, 18448, 31622, 63244, 111841, 126488, 187939, 223682, 252976, 375878, 447364, 751756, 894728, 1503512, 1789456, 3007024, 18230083, 36460166, 72920332, 145840664, 291681328]

約数ペア:

[(1, 291681328), (2, 145840664), (4, 72920332), (8, 36460166), (16, 18230083), (97, 3007024), (163, 1789456), (194, 1503512), (326, 894728), (388, 751756), (652, 447364), (776, 375878), (1153, 252976), (1304, 223682), (1552, 187939), (2306, 126488), (2608, 111841), (4612, 63244), (9224, 31622), (15811, 18448)]