31955872

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{311}}^1$

素因数の和:366

約数の個数: 72

約数和(自身を含む): 71940960

約数和(自身を除く): 39985088

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 169, 208, 247, 304, 311, 338, 416, 494, 608, 622, 676, 988, 1244, 1352, 1976, 2488, 2704, 3211, 3952, 4043, 4976, 5408, 5909, 6422, 7904, 8086, 9952, 11818, 12844, 16172, 23636, 25688, 32344, 47272, 51376, 52559, 64688, 76817, 94544, 102752, 105118, 129376, 153634, 189088, 210236, 307268, 420472, 614536, 840944, 998621, 1229072, 1681888, 1997242, 2458144, 3994484, 7988968, 15977936, 31955872]

約数ペア:

[(1, 31955872), (2, 15977936), (4, 7988968), (8, 3994484), (13, 2458144), (16, 1997242), (19, 1681888), (26, 1229072), (32, 998621), (38, 840944), (52, 614536), (76, 420472), (104, 307268), (152, 210236), (169, 189088), (208, 153634), (247, 129376), (304, 105118), (311, 102752), (338, 94544), (416, 76817), (494, 64688), (608, 52559), (622, 51376), (676, 47272), (988, 32344), (1244, 25688), (1352, 23636), (1976, 16172), (2488, 12844), (2704, 11818), (3211, 9952), (3952, 8086), (4043, 7904), (4976, 6422), (5408, 5909)]