81595430

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:369

約数の個数: 64

約数和(自身を含む): 173238912

約数和(自身を除く): 91643482

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 97, 122, 194, 197, 305, 394, 427, 485, 610, 679, 854, 970, 985, 1358, 1379, 1970, 2135, 2758, 3395, 4270, 5917, 6790, 6895, 11834, 12017, 13790, 19109, 24034, 29585, 38218, 41419, 59170, 60085, 82838, 84119, 95545, 120170, 133763, 168238, 191090, 207095, 267526, 414190, 420595, 668815, 841190, 1165649, 1337630, 2331298, 5828245, 8159543, 11656490, 16319086, 40797715, 81595430]

約数ペア:

[(1, 81595430), (2, 40797715), (5, 16319086), (7, 11656490), (10, 8159543), (14, 5828245), (35, 2331298), (61, 1337630), (70, 1165649), (97, 841190), (122, 668815), (194, 420595), (197, 414190), (305, 267526), (394, 207095), (427, 191090), (485, 168238), (610, 133763), (679, 120170), (854, 95545), (970, 84119), (985, 82838), (1358, 60085), (1379, 59170), (1970, 41419), (2135, 38218), (2758, 29585), (3395, 24034), (4270, 19109), (5917, 13790), (6790, 12017), (6895, 11834)]