12937385

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 17694720

約数和(自身を除く): 4757335

約数列:

[1, 5, 19, 23, 31, 95, 115, 155, 191, 437, 589, 713, 955, 2185, 2945, 3565, 3629, 4393, 5921, 13547, 18145, 21965, 29605, 67735, 83467, 112499, 136183, 417335, 562495, 680915, 2587477, 12937385]

約数ペア:

[(1, 12937385), (5, 2587477), (19, 680915), (23, 562495), (31, 417335), (95, 136183), (115, 112499), (155, 83467), (191, 67735), (437, 29605), (589, 21965), (713, 18145), (955, 13547), (2185, 5921), (2945, 4393), (3565, 3629)]