661827996

素因数分解:

$2^2\times 3^5\times {\mathrm{719}}^1\times {\mathrm{947}}^1$

素因数の和:1685

約数の個数: 72

約数和(自身を含む): 1739162880

約数和(自身を除く): 1077334884

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 719, 947, 972, 1438, 1894, 2157, 2841, 2876, 3788, 4314, 5682, 6471, 8523, 8628, 11364, 12942, 17046, 19413, 25569, 25884, 34092, 38826, 51138, 58239, 76707, 77652, 102276, 116478, 153414, 174717, 230121, 232956, 306828, 349434, 460242, 680893, 698868, 920484, 1361786, 2042679, 2723572, 4085358, 6128037, 8170716, 12256074, 18384111, 24512148, 36768222, 55152333, 73536444, 110304666, 165456999, 220609332, 330913998, 661827996]

約数ペア:

[(1, 661827996), (2, 330913998), (3, 220609332), (4, 165456999), (6, 110304666), (9, 73536444), (12, 55152333), (18, 36768222), (27, 24512148), (36, 18384111), (54, 12256074), (81, 8170716), (108, 6128037), (162, 4085358), (243, 2723572), (324, 2042679), (486, 1361786), (719, 920484), (947, 698868), (972, 680893), (1438, 460242), (1894, 349434), (2157, 306828), (2841, 232956), (2876, 230121), (3788, 174717), (4314, 153414), (5682, 116478), (6471, 102276), (8523, 77652), (8628, 76707), (11364, 58239), (12942, 51138), (17046, 38826), (19413, 34092), (25569, 25884)]