28511756

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 66138240

約数和(自身を除く): 37626484

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 37, 52, 58, 73, 74, 91, 116, 146, 148, 182, 203, 259, 292, 364, 377, 406, 481, 511, 518, 754, 812, 949, 962, 1022, 1036, 1073, 1508, 1898, 1924, 2044, 2117, 2146, 2639, 2701, 3367, 3796, 4234, 4292, 5278, 5402, 6643, 6734, 7511, 8468, 10556, 10804, 13286, 13468, 13949, 14819, 15022, 18907, 26572, 27521, 27898, 29638, 30044, 35113, 37814, 55042, 55796, 59276, 70226, 75628, 78329, 97643, 110084, 140452, 156658, 192647, 195286, 245791, 313316, 385294, 390572, 491582, 548303, 770588, 983164, 1018277, 1096606, 2036554, 2193212, 4073108, 7127939, 14255878, 28511756]

約数ペア:

[(1, 28511756), (2, 14255878), (4, 7127939), (7, 4073108), (13, 2193212), (14, 2036554), (26, 1096606), (28, 1018277), (29, 983164), (37, 770588), (52, 548303), (58, 491582), (73, 390572), (74, 385294), (91, 313316), (116, 245791), (146, 195286), (148, 192647), (182, 156658), (203, 140452), (259, 110084), (292, 97643), (364, 78329), (377, 75628), (406, 70226), (481, 59276), (511, 55796), (518, 55042), (754, 37814), (812, 35113), (949, 30044), (962, 29638), (1022, 27898), (1036, 27521), (1073, 26572), (1508, 18907), (1898, 15022), (1924, 14819), (2044, 13949), (2117, 13468), (2146, 13286), (2639, 10804), (2701, 10556), (3367, 8468), (3796, 7511), (4234, 6734), (4292, 6643), (5278, 5402)]