40416796

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{647}}^1$

素因数の和:778

約数の個数: 48

約数和(自身を含む): 85349376

約数和(自身を除く): 44932580

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 97, 161, 194, 322, 388, 644, 647, 679, 1294, 1358, 2231, 2588, 2716, 4462, 4529, 8924, 9058, 14881, 15617, 18116, 29762, 31234, 59524, 62468, 62759, 104167, 125518, 208334, 251036, 416668, 439313, 878626, 1443457, 1757252, 2886914, 5773828, 10104199, 20208398, 40416796]

約数ペア:

[(1, 40416796), (2, 20208398), (4, 10104199), (7, 5773828), (14, 2886914), (23, 1757252), (28, 1443457), (46, 878626), (92, 439313), (97, 416668), (161, 251036), (194, 208334), (322, 125518), (388, 104167), (644, 62759), (647, 62468), (679, 59524), (1294, 31234), (1358, 29762), (2231, 18116), (2588, 15617), (2716, 14881), (4462, 9058), (4529, 8924)]