663670228

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{9461}}^1$

素因数の和:9568

約数の個数: 48

約数和(自身を含む): 1335277440

約数和(自身を除く): 671607212

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 71, 76, 142, 247, 284, 494, 923, 988, 1349, 1846, 2698, 3692, 5396, 9461, 17537, 18922, 35074, 37844, 70148, 122993, 179759, 245986, 359518, 491972, 671731, 719036, 1343462, 2336867, 2686924, 4673734, 8732503, 9347468, 12762889, 17465006, 25525778, 34930012, 51051556, 165917557, 331835114, 663670228]

約数ペア:

[(1, 663670228), (2, 331835114), (4, 165917557), (13, 51051556), (19, 34930012), (26, 25525778), (38, 17465006), (52, 12762889), (71, 9347468), (76, 8732503), (142, 4673734), (247, 2686924), (284, 2336867), (494, 1343462), (923, 719036), (988, 671731), (1349, 491972), (1846, 359518), (2698, 245986), (3692, 179759), (5396, 122993), (9461, 70148), (17537, 37844), (18922, 35074)]