68740048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{587}}^1$

素因数の和:1171

約数の個数: 40

約数和(自身を含む): 143928288

約数和(自身を除く): 75188240

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 563, 587, 1126, 1174, 2252, 2348, 4504, 4696, 7319, 7631, 9008, 9392, 14638, 15262, 29276, 30524, 58552, 61048, 117104, 122096, 330481, 660962, 1321924, 2643848, 4296253, 5287696, 8592506, 17185012, 34370024, 68740048]

約数ペア:

[(1, 68740048), (2, 34370024), (4, 17185012), (8, 8592506), (13, 5287696), (16, 4296253), (26, 2643848), (52, 1321924), (104, 660962), (208, 330481), (563, 122096), (587, 117104), (1126, 61048), (1174, 58552), (2252, 30524), (2348, 29276), (4504, 15262), (4696, 14638), (7319, 9392), (7631, 9008)]