78843232

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:336

約数の個数: 72

約数和(自身を含む): 171551520

約数和(自身を除く): 92708288

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 61, 104, 122, 169, 208, 239, 244, 338, 416, 478, 488, 676, 793, 956, 976, 1352, 1586, 1912, 1952, 2704, 3107, 3172, 3824, 5408, 6214, 6344, 7648, 10309, 12428, 12688, 14579, 20618, 24856, 25376, 29158, 40391, 41236, 49712, 58316, 80782, 82472, 99424, 116632, 161564, 164944, 189527, 233264, 323128, 329888, 379054, 466528, 646256, 758108, 1292512, 1516216, 2463851, 3032432, 4927702, 6064864, 9855404, 19710808, 39421616, 78843232]

約数ペア:

[(1, 78843232), (2, 39421616), (4, 19710808), (8, 9855404), (13, 6064864), (16, 4927702), (26, 3032432), (32, 2463851), (52, 1516216), (61, 1292512), (104, 758108), (122, 646256), (169, 466528), (208, 379054), (239, 329888), (244, 323128), (338, 233264), (416, 189527), (478, 164944), (488, 161564), (676, 116632), (793, 99424), (956, 82472), (976, 80782), (1352, 58316), (1586, 49712), (1912, 41236), (1952, 40391), (2704, 29158), (3107, 25376), (3172, 24856), (3824, 20618), (5408, 14579), (6214, 12688), (6344, 12428), (7648, 10309)]