78356418

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{659}}^1$

素因数の和:839

約数の個数: 64

約数和(自身を含む): 190080000

約数和(自身を除く): 111723582

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 149, 266, 298, 399, 447, 659, 798, 894, 1043, 1318, 1977, 2086, 2831, 3129, 3954, 4613, 5662, 6258, 8493, 9226, 12521, 13839, 16986, 19817, 25042, 27678, 37563, 39634, 59451, 75126, 87647, 98191, 118902, 175294, 196382, 262941, 294573, 525882, 589146, 687337, 1374674, 1865629, 2062011, 3731258, 4124022, 5596887, 11193774, 13059403, 26118806, 39178209, 78356418]

約数ペア:

[(1, 78356418), (2, 39178209), (3, 26118806), (6, 13059403), (7, 11193774), (14, 5596887), (19, 4124022), (21, 3731258), (38, 2062011), (42, 1865629), (57, 1374674), (114, 687337), (133, 589146), (149, 525882), (266, 294573), (298, 262941), (399, 196382), (447, 175294), (659, 118902), (798, 98191), (894, 87647), (1043, 75126), (1318, 59451), (1977, 39634), (2086, 37563), (2831, 27678), (3129, 25042), (3954, 19817), (4613, 16986), (5662, 13839), (6258, 12521), (8493, 9226)]