28819704

素因数分解:

$2^3\times 3^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 74390400

約数和(自身を除く): 45570696

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 139, 159, 163, 212, 278, 318, 326, 417, 424, 489, 556, 636, 652, 834, 978, 1112, 1272, 1304, 1668, 1956, 3336, 3912, 7367, 8639, 14734, 17278, 22101, 22657, 25917, 29468, 34556, 44202, 45314, 51834, 58936, 67971, 69112, 88404, 90628, 103668, 135942, 176808, 181256, 207336, 271884, 543768, 1200821, 2401642, 3602463, 4803284, 7204926, 9606568, 14409852, 28819704]

約数ペア:

[(1, 28819704), (2, 14409852), (3, 9606568), (4, 7204926), (6, 4803284), (8, 3602463), (12, 2401642), (24, 1200821), (53, 543768), (106, 271884), (139, 207336), (159, 181256), (163, 176808), (212, 135942), (278, 103668), (318, 90628), (326, 88404), (417, 69112), (424, 67971), (489, 58936), (556, 51834), (636, 45314), (652, 44202), (834, 34556), (978, 29468), (1112, 25917), (1272, 22657), (1304, 22101), (1668, 17278), (1956, 14734), (3336, 8639), (3912, 7367)]