28530072

素因数分解:

$2^3\times 3^2\times {\mathrm{71}}^1\times {\mathrm{5581}}^1$

素因数の和:5664

約数の個数: 48

約数和(自身を含む): 78371280

約数和(自身を除く): 49841208

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 71, 72, 142, 213, 284, 426, 568, 639, 852, 1278, 1704, 2556, 5112, 5581, 11162, 16743, 22324, 33486, 44648, 50229, 66972, 100458, 133944, 200916, 396251, 401832, 792502, 1188753, 1585004, 2377506, 3170008, 3566259, 4755012, 7132518, 9510024, 14265036, 28530072]

約数ペア:

[(1, 28530072), (2, 14265036), (3, 9510024), (4, 7132518), (6, 4755012), (8, 3566259), (9, 3170008), (12, 2377506), (18, 1585004), (24, 1188753), (36, 792502), (71, 401832), (72, 396251), (142, 200916), (213, 133944), (284, 100458), (426, 66972), (568, 50229), (639, 44648), (852, 33486), (1278, 22324), (1704, 16743), (2556, 11162), (5112, 5581)]