157501998

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{491}}^1$

素因数の和:821

約数の個数: 48

約数和(自身を含む): 348147072

約数和(自身を除く): 190645074

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 251, 426, 491, 502, 639, 753, 982, 1278, 1473, 1506, 2259, 2946, 4419, 4518, 8838, 17821, 34861, 35642, 53463, 69722, 104583, 106926, 123241, 160389, 209166, 246482, 313749, 320778, 369723, 627498, 739446, 1109169, 2218338, 8750111, 17500222, 26250333, 52500666, 78750999, 157501998]

約数ペア:

[(1, 157501998), (2, 78750999), (3, 52500666), (6, 26250333), (9, 17500222), (18, 8750111), (71, 2218338), (142, 1109169), (213, 739446), (251, 627498), (426, 369723), (491, 320778), (502, 313749), (639, 246482), (753, 209166), (982, 160389), (1278, 123241), (1473, 106926), (1506, 104583), (2259, 69722), (2946, 53463), (4419, 35642), (4518, 34861), (8838, 17821)]