78987070

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{4177}}^1$

素因数の和:4276

約数の個数: 32

約数和(自身を含む): 149204736

約数和(自身を除く): 70217666

約数列:

[1, 2, 5, 10, 31, 61, 62, 122, 155, 305, 310, 610, 1891, 3782, 4177, 8354, 9455, 18910, 20885, 41770, 129487, 254797, 258974, 509594, 647435, 1273985, 1294870, 2547970, 7898707, 15797414, 39493535, 78987070]

約数ペア:

[(1, 78987070), (2, 39493535), (5, 15797414), (10, 7898707), (31, 2547970), (61, 1294870), (62, 1273985), (122, 647435), (155, 509594), (305, 258974), (310, 254797), (610, 129487), (1891, 41770), (3782, 20885), (4177, 18910), (8354, 9455)]