31391192

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1\times {\mathrm{181}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 71635200

約数和(自身を除く): 40244008

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 163, 181, 266, 326, 362, 532, 652, 724, 1064, 1141, 1267, 1304, 1448, 2282, 2534, 3097, 3439, 4564, 5068, 6194, 6878, 9128, 10136, 12388, 13756, 21679, 24073, 24776, 27512, 29503, 43358, 48146, 59006, 86716, 96292, 118012, 173432, 192584, 206521, 236024, 413042, 560557, 826084, 1121114, 1652168, 2242228, 3923899, 4484456, 7847798, 15695596, 31391192]

約数ペア:

[(1, 31391192), (2, 15695596), (4, 7847798), (7, 4484456), (8, 3923899), (14, 2242228), (19, 1652168), (28, 1121114), (38, 826084), (56, 560557), (76, 413042), (133, 236024), (152, 206521), (163, 192584), (181, 173432), (266, 118012), (326, 96292), (362, 86716), (532, 59006), (652, 48146), (724, 43358), (1064, 29503), (1141, 27512), (1267, 24776), (1304, 24073), (1448, 21679), (2282, 13756), (2534, 12388), (3097, 10136), (3439, 9128), (4564, 6878), (5068, 6194)]