28421796

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:305

約数の個数: 96

約数和(自身を含む): 77271040

約数和(自身を除く): 48849244

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 43, 52, 57, 76, 78, 86, 114, 129, 156, 172, 223, 228, 247, 258, 446, 494, 516, 559, 669, 741, 817, 892, 988, 1118, 1338, 1482, 1634, 1677, 2236, 2451, 2676, 2899, 2964, 3268, 3354, 4237, 4902, 5798, 6708, 8474, 8697, 9589, 9804, 10621, 11596, 12711, 16948, 17394, 19178, 21242, 25422, 28767, 31863, 34788, 38356, 42484, 50844, 55081, 57534, 63726, 110162, 115068, 124657, 127452, 165243, 182191, 220324, 249314, 330486, 364382, 373971, 498628, 546573, 660972, 728764, 747942, 1093146, 1495884, 2186292, 2368483, 4736966, 7105449, 9473932, 14210898, 28421796]

約数ペア:

[(1, 28421796), (2, 14210898), (3, 9473932), (4, 7105449), (6, 4736966), (12, 2368483), (13, 2186292), (19, 1495884), (26, 1093146), (38, 747942), (39, 728764), (43, 660972), (52, 546573), (57, 498628), (76, 373971), (78, 364382), (86, 330486), (114, 249314), (129, 220324), (156, 182191), (172, 165243), (223, 127452), (228, 124657), (247, 115068), (258, 110162), (446, 63726), (494, 57534), (516, 55081), (559, 50844), (669, 42484), (741, 38356), (817, 34788), (892, 31863), (988, 28767), (1118, 25422), (1338, 21242), (1482, 19178), (1634, 17394), (1677, 16948), (2236, 12711), (2451, 11596), (2676, 10621), (2899, 9804), (2964, 9589), (3268, 8697), (3354, 8474), (4237, 6708), (4902, 5798)]