222451715

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{761}}^1$

素因数の和:983

約数の個数: 32

約数和(自身を含む): 299557440

約数和(自身を除く): 77105725

約数列:

[1, 5, 17, 19, 85, 95, 181, 323, 761, 905, 1615, 3077, 3439, 3805, 12937, 14459, 15385, 17195, 58463, 64685, 72295, 137741, 245803, 292315, 688705, 1229015, 2341597, 2617079, 11707985, 13085395, 44490343, 222451715]

約数ペア:

[(1, 222451715), (5, 44490343), (17, 13085395), (19, 11707985), (85, 2617079), (95, 2341597), (181, 1229015), (323, 688705), (761, 292315), (905, 245803), (1615, 137741), (3077, 72295), (3439, 64685), (3805, 58463), (12937, 17195), (14459, 15385)]