388953756

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^1\times {\mathrm{241}}^1\times {\mathrm{353}}^1$

素因数の和:731

約数の個数: 72

約数和(自身を含む): 997860864

約数和(自身を除く): 608907108

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 241, 254, 353, 381, 482, 508, 706, 723, 762, 964, 1059, 1143, 1412, 1446, 1524, 2118, 2169, 2286, 2892, 3177, 4236, 4338, 4572, 6354, 8676, 12708, 30607, 44831, 61214, 85073, 89662, 91821, 122428, 134493, 170146, 179324, 183642, 255219, 268986, 275463, 340292, 367284, 403479, 510438, 537972, 550926, 765657, 806958, 1020876, 1101852, 1531314, 1613916, 3062628, 10804271, 21608542, 32412813, 43217084, 64825626, 97238439, 129651252, 194476878, 388953756]

約数ペア:

[(1, 388953756), (2, 194476878), (3, 129651252), (4, 97238439), (6, 64825626), (9, 43217084), (12, 32412813), (18, 21608542), (36, 10804271), (127, 3062628), (241, 1613916), (254, 1531314), (353, 1101852), (381, 1020876), (482, 806958), (508, 765657), (706, 550926), (723, 537972), (762, 510438), (964, 403479), (1059, 367284), (1143, 340292), (1412, 275463), (1446, 268986), (1524, 255219), (2118, 183642), (2169, 179324), (2286, 170146), (2892, 134493), (3177, 122428), (4236, 91821), (4338, 89662), (4572, 85073), (6354, 61214), (8676, 44831), (12708, 30607)]