215513648

素因数分解:

$2^4\times 7^1\times {\mathrm{491}}^1\times {\mathrm{3919}}^1$

素因数の和:4425

約数の個数: 40

約数和(自身を含む): 478302720

約数和(自身を除く): 262789072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 491, 982, 1964, 3437, 3919, 3928, 6874, 7838, 7856, 13748, 15676, 27433, 27496, 31352, 54866, 54992, 62704, 109732, 219464, 438928, 1924229, 3848458, 7696916, 13469603, 15393832, 26939206, 30787664, 53878412, 107756824, 215513648]

約数ペア:

[(1, 215513648), (2, 107756824), (4, 53878412), (7, 30787664), (8, 26939206), (14, 15393832), (16, 13469603), (28, 7696916), (56, 3848458), (112, 1924229), (491, 438928), (982, 219464), (1964, 109732), (3437, 62704), (3919, 54992), (3928, 54866), (6874, 31352), (7838, 27496), (7856, 27433), (13748, 15676)]