90979970

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1\times {\mathrm{541}}^1$

素因数の和:866

約数の個数: 32

約数和(自身を含む): 167178816

約数和(自身を除く): 76198846

約数列:

[1, 2, 5, 10, 67, 134, 251, 335, 502, 541, 670, 1082, 1255, 2510, 2705, 5410, 16817, 33634, 36247, 72494, 84085, 135791, 168170, 181235, 271582, 362470, 678955, 1357910, 9097997, 18195994, 45489985, 90979970]

約数ペア:

[(1, 90979970), (2, 45489985), (5, 18195994), (10, 9097997), (67, 1357910), (134, 678955), (251, 362470), (335, 271582), (502, 181235), (541, 168170), (670, 135791), (1082, 84085), (1255, 72494), (2510, 36247), (2705, 33634), (5410, 16817)]