28862210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 58786560

約数和(自身を除く): 29924350

約数列:

[1, 2, 5, 10, 13, 26, 53, 59, 65, 71, 106, 118, 130, 142, 265, 295, 355, 530, 590, 689, 710, 767, 923, 1378, 1534, 1846, 3127, 3445, 3763, 3835, 4189, 4615, 6254, 6890, 7526, 7670, 8378, 9230, 15635, 18815, 20945, 31270, 37630, 40651, 41890, 48919, 54457, 81302, 97838, 108914, 203255, 222017, 244595, 272285, 406510, 444034, 489190, 544570, 1110085, 2220170, 2886221, 5772442, 14431105, 28862210]

約数ペア:

[(1, 28862210), (2, 14431105), (5, 5772442), (10, 2886221), (13, 2220170), (26, 1110085), (53, 544570), (59, 489190), (65, 444034), (71, 406510), (106, 272285), (118, 244595), (130, 222017), (142, 203255), (265, 108914), (295, 97838), (355, 81302), (530, 54457), (590, 48919), (689, 41890), (710, 40651), (767, 37630), (923, 31270), (1378, 20945), (1534, 18815), (1846, 15635), (3127, 9230), (3445, 8378), (3763, 7670), (3835, 7526), (4189, 6890), (4615, 6254)]