15825404

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{197}}^1$

素因数の和:378

約数の個数: 48

約数和(自身を含む): 33707520

約数和(自身を除く): 17882116

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 151, 197, 266, 302, 394, 532, 604, 788, 1057, 1379, 2114, 2758, 2869, 3743, 4228, 5516, 5738, 7486, 11476, 14972, 20083, 26201, 29747, 40166, 52402, 59494, 80332, 104804, 118988, 208229, 416458, 565193, 832916, 1130386, 2260772, 3956351, 7912702, 15825404]

約数ペア:

[(1, 15825404), (2, 7912702), (4, 3956351), (7, 2260772), (14, 1130386), (19, 832916), (28, 565193), (38, 416458), (76, 208229), (133, 118988), (151, 104804), (197, 80332), (266, 59494), (302, 52402), (394, 40166), (532, 29747), (604, 26201), (788, 20083), (1057, 14972), (1379, 11476), (2114, 7486), (2758, 5738), (2869, 5516), (3743, 4228)]