81490144

素因数分解:

$2^5\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{383}}^1$

素因数の和:563

約数の個数: 48

約数和(自身を含む): 164989440

約数和(自身を除く): 83499296

約数列:

[1, 2, 4, 8, 16, 32, 61, 109, 122, 218, 244, 383, 436, 488, 766, 872, 976, 1532, 1744, 1952, 3064, 3488, 6128, 6649, 12256, 13298, 23363, 26596, 41747, 46726, 53192, 83494, 93452, 106384, 166988, 186904, 212768, 333976, 373808, 667952, 747616, 1335904, 2546567, 5093134, 10186268, 20372536, 40745072, 81490144]

約数ペア:

[(1, 81490144), (2, 40745072), (4, 20372536), (8, 10186268), (16, 5093134), (32, 2546567), (61, 1335904), (109, 747616), (122, 667952), (218, 373808), (244, 333976), (383, 212768), (436, 186904), (488, 166988), (766, 106384), (872, 93452), (976, 83494), (1532, 53192), (1744, 46726), (1952, 41747), (3064, 26596), (3488, 23363), (6128, 13298), (6649, 12256)]