28072330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:391

約数の個数: 64

約数和(自身を含む): 60455808

約数和(自身を除く): 32383478

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 67, 110, 130, 134, 143, 286, 293, 335, 586, 670, 715, 737, 871, 1430, 1465, 1474, 1742, 2930, 3223, 3685, 3809, 4355, 6446, 7370, 7618, 8710, 9581, 16115, 19045, 19162, 19631, 32230, 38090, 39262, 41899, 47905, 83798, 95810, 98155, 196310, 209495, 215941, 255203, 418990, 431882, 510406, 1079705, 1276015, 2159410, 2552030, 2807233, 5614466, 14036165, 28072330]

約数ペア:

[(1, 28072330), (2, 14036165), (5, 5614466), (10, 2807233), (11, 2552030), (13, 2159410), (22, 1276015), (26, 1079705), (55, 510406), (65, 431882), (67, 418990), (110, 255203), (130, 215941), (134, 209495), (143, 196310), (286, 98155), (293, 95810), (335, 83798), (586, 47905), (670, 41899), (715, 39262), (737, 38090), (871, 32230), (1430, 19631), (1465, 19162), (1474, 19045), (1742, 16115), (2930, 9581), (3223, 8710), (3685, 7618), (3809, 7370), (4355, 6446)]