78492316

素因数分解:

$2^2\times 7^2\times {\mathrm{400471}}^1$

素因数の和:400489

約数の個数: 18

約数和(自身を含む): 159788328

約数和(自身を除く): 81296012

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 400471, 800942, 1601884, 2803297, 5606594, 11213188, 19623079, 39246158, 78492316]

約数ペア:

[(1, 78492316), (2, 39246158), (4, 19623079), (7, 11213188), (14, 5606594), (28, 2803297), (49, 1601884), (98, 800942), (196, 400471)]