4989790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{293}}^1$

素因数の和:444

約数の個数: 32

約数和(自身を含む): 9779616

約数和(自身を除く): 4789826

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 293, 586, 655, 1310, 1465, 1703, 2930, 3406, 3809, 7618, 8515, 17030, 19045, 38090, 38383, 76766, 191915, 383830, 498979, 997958, 2494895, 4989790]

約数ペア:

[(1, 4989790), (2, 2494895), (5, 997958), (10, 498979), (13, 383830), (26, 191915), (65, 76766), (130, 38383), (131, 38090), (262, 19045), (293, 17030), (586, 8515), (655, 7618), (1310, 3809), (1465, 3406), (1703, 2930)]