89681618

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{431}}^1$

素因数の和:650

約数の個数: 32

約数和(自身を含む): 148925952

約数和(自身を除く): 59244334

約数列:

[1, 2, 13, 26, 53, 106, 151, 302, 431, 689, 862, 1378, 1963, 3926, 5603, 8003, 11206, 16006, 22843, 45686, 65081, 104039, 130162, 208078, 296959, 593918, 846053, 1692106, 3449293, 6898586, 44840809, 89681618]

約数ペア:

[(1, 89681618), (2, 44840809), (13, 6898586), (26, 3449293), (53, 1692106), (106, 846053), (151, 593918), (302, 296959), (431, 208078), (689, 130162), (862, 104039), (1378, 65081), (1963, 45686), (3926, 22843), (5603, 16006), (8003, 11206)]