72413131

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:248

約数の個数: 32

約数和(自身を含む): 90086400

約数和(自身を除く): 17673269

約数列:

[1, 7, 23, 49, 67, 137, 161, 343, 469, 959, 1127, 1541, 3151, 3283, 6713, 7889, 9179, 10787, 22057, 22981, 46991, 64253, 75509, 154399, 211117, 449771, 528563, 1080793, 1477819, 3148397, 10344733, 72413131]

約数ペア:

[(1, 72413131), (7, 10344733), (23, 3148397), (49, 1477819), (67, 1080793), (137, 528563), (161, 449771), (343, 211117), (469, 154399), (959, 75509), (1127, 64253), (1541, 46991), (3151, 22981), (3283, 22057), (6713, 10787), (7889, 9179)]