68997775

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{491}}^1$

素因数の和:592

約数の個数: 48

約数和(自身を含む): 108350208

約数和(自身を除く): 39352433

約数列:

[1, 5, 7, 11, 25, 35, 55, 73, 77, 175, 275, 365, 385, 491, 511, 803, 1825, 1925, 2455, 2555, 3437, 4015, 5401, 5621, 12275, 12775, 17185, 20075, 27005, 28105, 35843, 37807, 85925, 135025, 140525, 179215, 189035, 250901, 394273, 896075, 945175, 1254505, 1971365, 2759911, 6272525, 9856825, 13799555, 68997775]

約数ペア:

[(1, 68997775), (5, 13799555), (7, 9856825), (11, 6272525), (25, 2759911), (35, 1971365), (55, 1254505), (73, 945175), (77, 896075), (175, 394273), (275, 250901), (365, 189035), (385, 179215), (491, 140525), (511, 135025), (803, 85925), (1825, 37807), (1925, 35843), (2455, 28105), (2555, 27005), (3437, 20075), (4015, 17185), (5401, 12775), (5621, 12275)]