31640168

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 72230400

約数和(自身を除く): 40590232

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 131, 133, 152, 227, 262, 266, 454, 524, 532, 908, 917, 1048, 1064, 1589, 1816, 1834, 2489, 3178, 3668, 4313, 4978, 6356, 7336, 8626, 9956, 12712, 17252, 17423, 19912, 29737, 30191, 34504, 34846, 59474, 60382, 69692, 118948, 120764, 139384, 208159, 237896, 241528, 416318, 565003, 832636, 1130006, 1665272, 2260012, 3955021, 4520024, 7910042, 15820084, 31640168]

約数ペア:

[(1, 31640168), (2, 15820084), (4, 7910042), (7, 4520024), (8, 3955021), (14, 2260012), (19, 1665272), (28, 1130006), (38, 832636), (56, 565003), (76, 416318), (131, 241528), (133, 237896), (152, 208159), (227, 139384), (262, 120764), (266, 118948), (454, 69692), (524, 60382), (532, 59474), (908, 34846), (917, 34504), (1048, 30191), (1064, 29737), (1589, 19912), (1816, 17423), (1834, 17252), (2489, 12712), (3178, 9956), (3668, 8626), (4313, 7336), (4978, 6356)]