81813962

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{1423}}^1$

素因数の和:1550

約数の個数: 32

約数和(自身を含む): 138412800

約数和(自身を除く): 56598838

約数列:

[1, 2, 17, 19, 34, 38, 89, 178, 323, 646, 1423, 1513, 1691, 2846, 3026, 3382, 24191, 27037, 28747, 48382, 54074, 57494, 126647, 253294, 459629, 919258, 2152999, 2406293, 4305998, 4812586, 40906981, 81813962]

約数ペア:

[(1, 81813962), (2, 40906981), (17, 4812586), (19, 4305998), (34, 2406293), (38, 2152999), (89, 919258), (178, 459629), (323, 253294), (646, 126647), (1423, 57494), (1513, 54074), (1691, 48382), (2846, 28747), (3026, 27037), (3382, 24191)]