645604368

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{328051}}^1$

素因数の和:328103

約数の個数: 40

約数和(自身を含む): 1708494816

約数和(自身を除く): 1062890448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 656, 984, 1968, 328051, 656102, 984153, 1312204, 1968306, 2624408, 3936612, 5248816, 7873224, 13450091, 15746448, 26900182, 40350273, 53800364, 80700546, 107600728, 161401092, 215201456, 322802184, 645604368]

約数ペア:

[(1, 645604368), (2, 322802184), (3, 215201456), (4, 161401092), (6, 107600728), (8, 80700546), (12, 53800364), (16, 40350273), (24, 26900182), (41, 15746448), (48, 13450091), (82, 7873224), (123, 5248816), (164, 3936612), (246, 2624408), (328, 1968306), (492, 1312204), (656, 984153), (984, 656102), (1968, 328051)]