28545685

素因数分解:

$5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1$

素因数の和:170

約数の個数: 48

約数和(自身を含む): 42418944

約数和(自身を除く): 13873259

約数列:

[1, 5, 7, 35, 37, 47, 49, 67, 185, 235, 245, 259, 329, 335, 469, 1295, 1645, 1739, 1813, 2303, 2345, 2479, 3149, 3283, 8695, 9065, 11515, 12173, 12395, 15745, 16415, 17353, 22043, 60865, 85211, 86765, 110215, 116513, 121471, 154301, 426055, 582565, 607355, 771505, 815591, 4077955, 5709137, 28545685]

約数ペア:

[(1, 28545685), (5, 5709137), (7, 4077955), (35, 815591), (37, 771505), (47, 607355), (49, 582565), (67, 426055), (185, 154301), (235, 121471), (245, 116513), (259, 110215), (329, 86765), (335, 85211), (469, 60865), (1295, 22043), (1645, 17353), (1739, 16415), (1813, 15745), (2303, 12395), (2345, 12173), (2479, 11515), (3149, 9065), (3283, 8695)]