28966431

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 45911040

約数和(自身を除く): 16944609

約数列:

[1, 3, 13, 19, 31, 39, 57, 93, 97, 169, 247, 291, 403, 507, 589, 741, 1209, 1261, 1767, 1843, 3007, 3211, 3783, 5239, 5529, 7657, 9021, 9633, 15717, 16393, 22971, 23959, 39091, 49179, 57133, 71877, 99541, 117273, 171399, 298623, 311467, 508183, 742729, 934401, 1524549, 2228187, 9655477, 28966431]

約数ペア:

[(1, 28966431), (3, 9655477), (13, 2228187), (19, 1524549), (31, 934401), (39, 742729), (57, 508183), (93, 311467), (97, 298623), (169, 171399), (247, 117273), (291, 99541), (403, 71877), (507, 57133), (589, 49179), (741, 39091), (1209, 23959), (1261, 22971), (1767, 16393), (1843, 15717), (3007, 9633), (3211, 9021), (3783, 7657), (5239, 5529)]