242565115

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{997}}^1$

素因数の和:1231

約数の個数: 32

約数和(自身を含む): 331974720

約数和(自身を除く): 89409605

約数列:

[1, 5, 13, 19, 65, 95, 197, 247, 985, 997, 1235, 2561, 3743, 4985, 12805, 12961, 18715, 18943, 48659, 64805, 94715, 196409, 243295, 246259, 982045, 1231295, 2553317, 3731771, 12766585, 18658855, 48513023, 242565115]

約数ペア:

[(1, 242565115), (5, 48513023), (13, 18658855), (19, 12766585), (65, 3731771), (95, 2553317), (197, 1231295), (247, 982045), (985, 246259), (997, 243295), (1235, 196409), (2561, 94715), (3743, 64805), (4985, 48659), (12805, 18943), (12961, 18715)]