64804915

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{223}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 98316288

約数和(自身を除く): 33511373

約数列:

[1, 5, 7, 19, 23, 35, 95, 115, 133, 161, 223, 361, 437, 665, 805, 1115, 1561, 1805, 2185, 2527, 3059, 4237, 5129, 7805, 8303, 12635, 15295, 21185, 25645, 29659, 35903, 41515, 58121, 80503, 97451, 148295, 179515, 290605, 402515, 487255, 563521, 682157, 1851569, 2817605, 3410785, 9257845, 12960983, 64804915]

約数ペア:

[(1, 64804915), (5, 12960983), (7, 9257845), (19, 3410785), (23, 2817605), (35, 1851569), (95, 682157), (115, 563521), (133, 487255), (161, 402515), (223, 290605), (361, 179515), (437, 148295), (665, 97451), (805, 80503), (1115, 58121), (1561, 41515), (1805, 35903), (2185, 29659), (2527, 25645), (3059, 21185), (4237, 15295), (5129, 12635), (7805, 8303)]