640247486514

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{12829}}^1\times {\mathrm{5483}}^1$

素因数の和:18395

約数の個数: 64

約数和(自身を含む): 1347529357440

約数和(自身を除く): 707281870926

約数列:

[1, 2, 3, 6, 37, 41, 74, 82, 111, 123, 222, 246, 1517, 3034, 4551, 5483, 9102, 10966, 12829, 16449, 25658, 32898, 38487, 76974, 202871, 224803, 405742, 449606, 474673, 525989, 608613, 674409, 949346, 1051978, 1217226, 1348818, 1424019, 1577967, 2848038, 3155934, 8317711, 16635422, 19461593, 24953133, 38923186, 49906266, 58384779, 70341407, 116769558, 140682814, 211024221, 422048442, 2602632059, 2883997687, 5205264118, 5767995374, 7807896177, 8651993061, 15615792354, 17303986122, 106707914419, 213415828838, 320123743257, 640247486514]

約数ペア:

[(1, 640247486514), (2, 320123743257), (3, 213415828838), (6, 106707914419), (37, 17303986122), (41, 15615792354), (74, 8651993061), (82, 7807896177), (111, 5767995374), (123, 5205264118), (222, 2883997687), (246, 2602632059), (1517, 422048442), (3034, 211024221), (4551, 140682814), (5483, 116769558), (9102, 70341407), (10966, 58384779), (12829, 49906266), (16449, 38923186), (25658, 24953133), (32898, 19461593), (38487, 16635422), (76974, 8317711), (202871, 3155934), (224803, 2848038), (405742, 1577967), (449606, 1424019), (474673, 1348818), (525989, 1217226), (608613, 1051978), (674409, 949346)]