245318788

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 513852416

約数和(自身を除く): 268533628

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 127, 143, 242, 254, 286, 307, 484, 508, 572, 614, 1228, 1397, 1573, 1651, 2794, 3146, 3302, 3377, 3991, 5588, 6292, 6604, 6754, 7982, 13508, 15367, 15964, 18161, 30734, 36322, 37147, 38989, 43901, 61468, 72644, 74294, 77978, 87802, 148588, 155956, 175604, 199771, 399542, 428879, 482911, 506857, 799084, 857758, 965822, 1013714, 1715516, 1931644, 2027428, 4717669, 5575427, 9435338, 11150854, 18870676, 22301708, 61329697, 122659394, 245318788]

約数ペア:

[(1, 245318788), (2, 122659394), (4, 61329697), (11, 22301708), (13, 18870676), (22, 11150854), (26, 9435338), (44, 5575427), (52, 4717669), (121, 2027428), (127, 1931644), (143, 1715516), (242, 1013714), (254, 965822), (286, 857758), (307, 799084), (484, 506857), (508, 482911), (572, 428879), (614, 399542), (1228, 199771), (1397, 175604), (1573, 155956), (1651, 148588), (2794, 87802), (3146, 77978), (3302, 74294), (3377, 72644), (3991, 61468), (5588, 43901), (6292, 38989), (6604, 37147), (6754, 36322), (7982, 30734), (13508, 18161), (15367, 15964)]