28478808

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{439}}^1$

素因数の和:521

約数の個数: 96

約数和(自身を含む): 83397600

約数和(自身を除く): 54918792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 53, 68, 72, 102, 106, 136, 153, 159, 204, 212, 306, 318, 408, 424, 439, 477, 612, 636, 878, 901, 954, 1224, 1272, 1317, 1756, 1802, 1908, 2634, 2703, 3512, 3604, 3816, 3951, 5268, 5406, 7208, 7463, 7902, 8109, 10536, 10812, 14926, 15804, 16218, 21624, 22389, 23267, 29852, 31608, 32436, 44778, 46534, 59704, 64872, 67167, 69801, 89556, 93068, 134334, 139602, 179112, 186136, 209403, 268668, 279204, 395539, 418806, 537336, 558408, 791078, 837612, 1186617, 1582156, 1675224, 2373234, 3164312, 3559851, 4746468, 7119702, 9492936, 14239404, 28478808]

約数ペア:

[(1, 28478808), (2, 14239404), (3, 9492936), (4, 7119702), (6, 4746468), (8, 3559851), (9, 3164312), (12, 2373234), (17, 1675224), (18, 1582156), (24, 1186617), (34, 837612), (36, 791078), (51, 558408), (53, 537336), (68, 418806), (72, 395539), (102, 279204), (106, 268668), (136, 209403), (153, 186136), (159, 179112), (204, 139602), (212, 134334), (306, 93068), (318, 89556), (408, 69801), (424, 67167), (439, 64872), (477, 59704), (612, 46534), (636, 44778), (878, 32436), (901, 31608), (954, 29852), (1224, 23267), (1272, 22389), (1317, 21624), (1756, 16218), (1802, 15804), (1908, 14926), (2634, 10812), (2703, 10536), (3512, 8109), (3604, 7902), (3816, 7463), (3951, 7208), (5268, 5406)]