30721552

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{31477}}^1$

素因数の和:31546

約数の個数: 20

約数和(自身を含む): 60500716

約数和(自身を除く): 29779164

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 31477, 62954, 125908, 251816, 503632, 1920097, 3840194, 7680388, 15360776, 30721552]

約数ペア:

[(1, 30721552), (2, 15360776), (4, 7680388), (8, 3840194), (16, 1920097), (61, 503632), (122, 251816), (244, 125908), (488, 62954), (976, 31477)]