72028655

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 93063168

約数和(自身を除く): 21034513

約数列:

[1, 5, 31, 43, 101, 107, 155, 215, 505, 535, 1333, 3131, 3317, 4343, 4601, 6665, 10807, 15655, 16585, 21715, 23005, 54035, 134633, 142631, 335017, 464701, 673165, 713155, 1675085, 2323505, 14405731, 72028655]

約数ペア:

[(1, 72028655), (5, 14405731), (31, 2323505), (43, 1675085), (101, 713155), (107, 673165), (155, 464701), (215, 335017), (505, 142631), (535, 134633), (1333, 54035), (3131, 23005), (3317, 21715), (4343, 16585), (4601, 15655), (6665, 10807)]