2178880198

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{1093}}^1$

素因数の和:1253

約数の個数: 64

約数和(自身を含む): 3831275520

約数和(自身を除く): 1652395322

約数列:

[1, 2, 11, 22, 31, 37, 62, 74, 79, 158, 341, 407, 682, 814, 869, 1093, 1147, 1738, 2186, 2294, 2449, 2923, 4898, 5846, 12023, 12617, 24046, 25234, 26939, 32153, 33883, 40441, 53878, 64306, 67766, 80882, 86347, 90613, 172694, 181226, 372713, 444851, 745426, 889702, 949817, 996743, 1253671, 1899634, 1993486, 2507342, 2676757, 3194839, 5353514, 6389678, 13790381, 27580762, 29444327, 35143229, 58888654, 70286458, 99040009, 198080018, 1089440099, 2178880198]

約数ペア:

[(1, 2178880198), (2, 1089440099), (11, 198080018), (22, 99040009), (31, 70286458), (37, 58888654), (62, 35143229), (74, 29444327), (79, 27580762), (158, 13790381), (341, 6389678), (407, 5353514), (682, 3194839), (814, 2676757), (869, 2507342), (1093, 1993486), (1147, 1899634), (1738, 1253671), (2186, 996743), (2294, 949817), (2449, 889702), (2923, 745426), (4898, 444851), (5846, 372713), (12023, 181226), (12617, 172694), (24046, 90613), (25234, 86347), (26939, 80882), (32153, 67766), (33883, 64306), (40441, 53878)]