31504452

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:561

約数の個数: 72

約数和(自身を含む): 86375520

約数和(自身を除く): 54871068

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 131, 147, 196, 262, 294, 393, 409, 524, 588, 786, 818, 917, 1227, 1572, 1636, 1834, 2454, 2751, 2863, 3668, 4908, 5502, 5726, 6419, 8589, 11004, 11452, 12838, 17178, 19257, 20041, 25676, 34356, 38514, 40082, 53579, 60123, 77028, 80164, 107158, 120246, 160737, 214316, 240492, 321474, 375053, 642948, 750106, 1125159, 1500212, 2250318, 2625371, 4500636, 5250742, 7876113, 10501484, 15752226, 31504452]

約数ペア:

[(1, 31504452), (2, 15752226), (3, 10501484), (4, 7876113), (6, 5250742), (7, 4500636), (12, 2625371), (14, 2250318), (21, 1500212), (28, 1125159), (42, 750106), (49, 642948), (84, 375053), (98, 321474), (131, 240492), (147, 214316), (196, 160737), (262, 120246), (294, 107158), (393, 80164), (409, 77028), (524, 60123), (588, 53579), (786, 40082), (818, 38514), (917, 34356), (1227, 25676), (1572, 20041), (1636, 19257), (1834, 17178), (2454, 12838), (2751, 11452), (2863, 11004), (3668, 8589), (4908, 6419), (5502, 5726)]