28131029140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1924147}}^1$

素因数の和:1924216

約数の個数: 48

約数和(自身を含む): 64004859072

約数和(自身を除く): 35873829932

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 43, 68, 85, 86, 170, 172, 215, 340, 430, 731, 860, 1462, 2924, 3655, 7310, 14620, 1924147, 3848294, 7696588, 9620735, 19241470, 32710499, 38482940, 65420998, 82738321, 130841996, 163552495, 165476642, 327104990, 330953284, 413691605, 654209980, 827383210, 1406551457, 1654766420, 2813102914, 5626205828, 7032757285, 14065514570, 28131029140]

約数ペア:

[(1, 28131029140), (2, 14065514570), (4, 7032757285), (5, 5626205828), (10, 2813102914), (17, 1654766420), (20, 1406551457), (34, 827383210), (43, 654209980), (68, 413691605), (85, 330953284), (86, 327104990), (170, 165476642), (172, 163552495), (215, 130841996), (340, 82738321), (430, 65420998), (731, 38482940), (860, 32710499), (1462, 19241470), (2924, 9620735), (3655, 7696588), (7310, 3848294), (14620, 1924147)]