397339996

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{27509}}^1$

素因数の和:27693

約数の個数: 24

約数和(自身を含む): 730225440

約数和(自身を除く): 332885444

約数列:

[1, 2, 4, 23, 46, 92, 157, 314, 628, 3611, 7222, 14444, 27509, 55018, 110036, 632707, 1265414, 2530828, 4318913, 8637826, 17275652, 99334999, 198669998, 397339996]

約数ペア:

[(1, 397339996), (2, 198669998), (4, 99334999), (23, 17275652), (46, 8637826), (92, 4318913), (157, 2530828), (314, 1265414), (628, 632707), (3611, 110036), (7222, 55018), (14444, 27509)]