28310984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 61689600

約数和(自身を除く): 33378616

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 67, 68, 104, 134, 136, 221, 239, 268, 442, 478, 536, 871, 884, 956, 1139, 1742, 1768, 1912, 2278, 3107, 3484, 4063, 4556, 6214, 6968, 8126, 9112, 12428, 14807, 16013, 16252, 24856, 29614, 32026, 32504, 52819, 59228, 64052, 105638, 118456, 128104, 208169, 211276, 272221, 416338, 422552, 544442, 832676, 1088884, 1665352, 2177768, 3538873, 7077746, 14155492, 28310984]

約数ペア:

[(1, 28310984), (2, 14155492), (4, 7077746), (8, 3538873), (13, 2177768), (17, 1665352), (26, 1088884), (34, 832676), (52, 544442), (67, 422552), (68, 416338), (104, 272221), (134, 211276), (136, 208169), (221, 128104), (239, 118456), (268, 105638), (442, 64052), (478, 59228), (536, 52819), (871, 32504), (884, 32026), (956, 29614), (1139, 24856), (1742, 16252), (1768, 16013), (1912, 14807), (2278, 12428), (3107, 9112), (3484, 8126), (4063, 6968), (4556, 6214)]