781978068

素因数分解:

$2^2\times 3^2\times {\mathrm{1657}}^1\times {\mathrm{13109}}^1$

素因数の和:14776

約数の個数: 36

約数和(自身を含む): 1978010580

約数和(自身を除く): 1196032512

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1657, 3314, 4971, 6628, 9942, 13109, 14913, 19884, 26218, 29826, 39327, 52436, 59652, 78654, 117981, 157308, 235962, 471924, 21721613, 43443226, 65164839, 86886452, 130329678, 195494517, 260659356, 390989034, 781978068]

約数ペア:

[(1, 781978068), (2, 390989034), (3, 260659356), (4, 195494517), (6, 130329678), (9, 86886452), (12, 65164839), (18, 43443226), (36, 21721613), (1657, 471924), (3314, 235962), (4971, 157308), (6628, 117981), (9942, 78654), (13109, 59652), (14913, 52436), (19884, 39327), (26218, 29826)]