81712046

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{659}}^1$

素因数の和:944

約数の個数: 32

約数和(自身を含む): 139708800

約数和(自身を除く): 57996754

約数列:

[1, 2, 13, 19, 26, 38, 247, 251, 494, 502, 659, 1318, 3263, 4769, 6526, 8567, 9538, 12521, 17134, 25042, 61997, 123994, 162773, 165409, 325546, 330818, 2150317, 3142771, 4300634, 6285542, 40856023, 81712046]

約数ペア:

[(1, 81712046), (2, 40856023), (13, 6285542), (19, 4300634), (26, 3142771), (38, 2150317), (247, 330818), (251, 325546), (494, 165409), (502, 162773), (659, 123994), (1318, 61997), (3263, 25042), (4769, 17134), (6526, 12521), (8567, 9538)]