31880744

素因数分解:

$2^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:402

約数の個数: 64

約数和(自身を含む): 71971200

約数和(自身を除く): 40090456

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 56, 58, 67, 116, 134, 203, 232, 268, 293, 406, 469, 536, 586, 812, 938, 1172, 1624, 1876, 1943, 2051, 2344, 3752, 3886, 4102, 7772, 8204, 8497, 13601, 15544, 16408, 16994, 19631, 27202, 33988, 39262, 54404, 59479, 67976, 78524, 108808, 118958, 137417, 157048, 237916, 274834, 475832, 549668, 569299, 1099336, 1138598, 2277196, 3985093, 4554392, 7970186, 15940372, 31880744]

約数ペア:

[(1, 31880744), (2, 15940372), (4, 7970186), (7, 4554392), (8, 3985093), (14, 2277196), (28, 1138598), (29, 1099336), (56, 569299), (58, 549668), (67, 475832), (116, 274834), (134, 237916), (203, 157048), (232, 137417), (268, 118958), (293, 108808), (406, 78524), (469, 67976), (536, 59479), (586, 54404), (812, 39262), (938, 33988), (1172, 27202), (1624, 19631), (1876, 16994), (1943, 16408), (2051, 15544), (2344, 13601), (3752, 8497), (3886, 8204), (4102, 7772)]