28220168

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{113}}^1$

素因数の和:222

約数の個数: 64

約数和(自身を含む): 59097600

約数和(自身を除く): 30877432

約数列:

[1, 2, 4, 8, 19, 31, 38, 53, 62, 76, 106, 113, 124, 152, 212, 226, 248, 424, 452, 589, 904, 1007, 1178, 1643, 2014, 2147, 2356, 3286, 3503, 4028, 4294, 4712, 5989, 6572, 7006, 8056, 8588, 11978, 13144, 14012, 17176, 23956, 28024, 31217, 47912, 62434, 66557, 113791, 124868, 133114, 185659, 227582, 249736, 266228, 371318, 455164, 532456, 742636, 910328, 1485272, 3527521, 7055042, 14110084, 28220168]

約数ペア:

[(1, 28220168), (2, 14110084), (4, 7055042), (8, 3527521), (19, 1485272), (31, 910328), (38, 742636), (53, 532456), (62, 455164), (76, 371318), (106, 266228), (113, 249736), (124, 227582), (152, 185659), (212, 133114), (226, 124868), (248, 113791), (424, 66557), (452, 62434), (589, 47912), (904, 31217), (1007, 28024), (1178, 23956), (1643, 17176), (2014, 14012), (2147, 13144), (2356, 11978), (3286, 8588), (3503, 8056), (4028, 7006), (4294, 6572), (4712, 5989)]