217871514

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{83}}^2\times {\mathrm{251}}^1$

素因数の和:432

約数の個数: 72

約数和(自身を含む): 548245152

約数和(自身を除く): 330373638

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 83, 126, 166, 249, 251, 498, 502, 581, 747, 753, 1162, 1494, 1506, 1743, 1757, 2259, 3486, 3514, 4518, 5229, 5271, 6889, 10458, 10542, 13778, 15813, 20667, 20833, 31626, 41334, 41666, 48223, 62001, 62499, 96446, 124002, 124998, 144669, 145831, 187497, 289338, 291662, 374994, 434007, 437493, 868014, 874986, 1312479, 1729139, 2624958, 3458278, 5187417, 10374834, 12103973, 15562251, 24207946, 31124502, 36311919, 72623838, 108935757, 217871514]

約数ペア:

[(1, 217871514), (2, 108935757), (3, 72623838), (6, 36311919), (7, 31124502), (9, 24207946), (14, 15562251), (18, 12103973), (21, 10374834), (42, 5187417), (63, 3458278), (83, 2624958), (126, 1729139), (166, 1312479), (249, 874986), (251, 868014), (498, 437493), (502, 434007), (581, 374994), (747, 291662), (753, 289338), (1162, 187497), (1494, 145831), (1506, 144669), (1743, 124998), (1757, 124002), (2259, 96446), (3486, 62499), (3514, 62001), (4518, 48223), (5229, 41666), (5271, 41334), (6889, 31626), (10458, 20833), (10542, 20667), (13778, 15813)]