287447916

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{433}}^1\times {\mathrm{1129}}^1$

素因数の和:1583

約数の個数: 72

約数和(自身を含む): 782710320

約数和(自身を除く): 495262404

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 433, 588, 866, 1129, 1299, 1732, 2258, 2598, 3031, 3387, 4516, 5196, 6062, 6774, 7903, 9093, 12124, 13548, 15806, 18186, 21217, 23709, 31612, 36372, 42434, 47418, 55321, 63651, 84868, 94836, 110642, 127302, 165963, 221284, 254604, 331926, 488857, 663852, 977714, 1466571, 1955428, 2933142, 3421999, 5866284, 6843998, 10265997, 13687996, 20531994, 23953993, 41063988, 47907986, 71861979, 95815972, 143723958, 287447916]

約数ペア:

[(1, 287447916), (2, 143723958), (3, 95815972), (4, 71861979), (6, 47907986), (7, 41063988), (12, 23953993), (14, 20531994), (21, 13687996), (28, 10265997), (42, 6843998), (49, 5866284), (84, 3421999), (98, 2933142), (147, 1955428), (196, 1466571), (294, 977714), (433, 663852), (588, 488857), (866, 331926), (1129, 254604), (1299, 221284), (1732, 165963), (2258, 127302), (2598, 110642), (3031, 94836), (3387, 84868), (4516, 63651), (5196, 55321), (6062, 47418), (6774, 42434), (7903, 36372), (9093, 31612), (12124, 23709), (13548, 21217), (15806, 18186)]