31521152

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{997}}^1$

素因数の和:1043

約数の個数: 64

約数和(自身を含む): 71257200

約数和(自身を除く): 39736048

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 64, 76, 104, 128, 152, 208, 247, 304, 416, 494, 608, 832, 988, 997, 1216, 1664, 1976, 1994, 2432, 3952, 3988, 7904, 7976, 12961, 15808, 15952, 18943, 25922, 31616, 31904, 37886, 51844, 63808, 75772, 103688, 127616, 151544, 207376, 246259, 303088, 414752, 492518, 606176, 829504, 985036, 1212352, 1659008, 1970072, 2424704, 3940144, 7880288, 15760576, 31521152]

約数ペア:

[(1, 31521152), (2, 15760576), (4, 7880288), (8, 3940144), (13, 2424704), (16, 1970072), (19, 1659008), (26, 1212352), (32, 985036), (38, 829504), (52, 606176), (64, 492518), (76, 414752), (104, 303088), (128, 246259), (152, 207376), (208, 151544), (247, 127616), (304, 103688), (416, 75772), (494, 63808), (608, 51844), (832, 37886), (988, 31904), (997, 31616), (1216, 25922), (1664, 18943), (1976, 15952), (1994, 15808), (2432, 12961), (3952, 7976), (3988, 7904)]