78585318

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{139}}^1\times {\mathrm{641}}^1$

素因数の和:802

約数の個数: 72

約数和(自身を含む): 199803240

約数和(自身を除く): 121217922

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 139, 147, 278, 294, 417, 441, 641, 834, 882, 973, 1251, 1282, 1923, 1946, 2502, 2919, 3846, 4487, 5769, 5838, 6811, 8757, 8974, 11538, 13461, 13622, 17514, 20433, 26922, 31409, 40383, 40866, 61299, 62818, 80766, 89099, 94227, 122598, 178198, 188454, 267297, 282681, 534594, 565362, 623693, 801891, 1247386, 1603782, 1871079, 3742158, 4365851, 5613237, 8731702, 11226474, 13097553, 26195106, 39292659, 78585318]

約数ペア:

[(1, 78585318), (2, 39292659), (3, 26195106), (6, 13097553), (7, 11226474), (9, 8731702), (14, 5613237), (18, 4365851), (21, 3742158), (42, 1871079), (49, 1603782), (63, 1247386), (98, 801891), (126, 623693), (139, 565362), (147, 534594), (278, 282681), (294, 267297), (417, 188454), (441, 178198), (641, 122598), (834, 94227), (882, 89099), (973, 80766), (1251, 62818), (1282, 61299), (1923, 40866), (1946, 40383), (2502, 31409), (2919, 26922), (3846, 20433), (4487, 17514), (5769, 13622), (5838, 13461), (6811, 11538), (8757, 8974)]