28782010

素因数分解:

$2^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{173}}^1$

素因数の和:438

約数の個数: 32

約数和(自身を含む): 52918272

約数和(自身を除く): 24136262

約数列:

[1, 2, 5, 10, 127, 131, 173, 254, 262, 346, 635, 655, 865, 1270, 1310, 1730, 16637, 21971, 22663, 33274, 43942, 45326, 83185, 109855, 113315, 166370, 219710, 226630, 2878201, 5756402, 14391005, 28782010]

約数ペア:

[(1, 28782010), (2, 14391005), (5, 5756402), (10, 2878201), (127, 226630), (131, 219710), (173, 166370), (254, 113315), (262, 109855), (346, 83185), (635, 45326), (655, 43942), (865, 33274), (1270, 22663), (1310, 21971), (1730, 16637)]