388889196

素因数分解:

$2^2\times 3^1\times {\mathrm{53}}^2\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 942728640

約数和(自身を除く): 553839444

約数列:

[1, 2, 3, 4, 6, 12, 53, 83, 106, 139, 159, 166, 212, 249, 278, 318, 332, 417, 498, 556, 636, 834, 996, 1668, 2809, 4399, 5618, 7367, 8427, 8798, 11236, 11537, 13197, 14734, 16854, 17596, 22101, 23074, 26394, 29468, 33708, 34611, 44202, 46148, 52788, 69222, 88404, 138444, 233147, 390451, 466294, 611461, 699441, 780902, 932588, 1171353, 1222922, 1398882, 1561804, 1834383, 2342706, 2445844, 2797764, 3668766, 4685412, 7337532, 32407433, 64814866, 97222299, 129629732, 194444598, 388889196]

約数ペア:

[(1, 388889196), (2, 194444598), (3, 129629732), (4, 97222299), (6, 64814866), (12, 32407433), (53, 7337532), (83, 4685412), (106, 3668766), (139, 2797764), (159, 2445844), (166, 2342706), (212, 1834383), (249, 1561804), (278, 1398882), (318, 1222922), (332, 1171353), (417, 932588), (498, 780902), (556, 699441), (636, 611461), (834, 466294), (996, 390451), (1668, 233147), (2809, 138444), (4399, 88404), (5618, 69222), (7367, 52788), (8427, 46148), (8798, 44202), (11236, 34611), (11537, 33708), (13197, 29468), (14734, 26394), (16854, 23074), (17596, 22101)]