90151168

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 191612736

約数和(自身を除く): 101461568

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 61, 64, 92, 122, 128, 184, 244, 251, 256, 368, 488, 502, 736, 976, 1004, 1403, 1472, 1952, 2008, 2806, 2944, 3904, 4016, 5612, 5773, 5888, 7808, 8032, 11224, 11546, 15311, 15616, 16064, 22448, 23092, 30622, 32128, 44896, 46184, 61244, 64256, 89792, 92368, 122488, 179584, 184736, 244976, 352153, 359168, 369472, 489952, 704306, 738944, 979904, 1408612, 1477888, 1959808, 2817224, 3919616, 5634448, 11268896, 22537792, 45075584, 90151168]

約数ペア:

[(1, 90151168), (2, 45075584), (4, 22537792), (8, 11268896), (16, 5634448), (23, 3919616), (32, 2817224), (46, 1959808), (61, 1477888), (64, 1408612), (92, 979904), (122, 738944), (128, 704306), (184, 489952), (244, 369472), (251, 359168), (256, 352153), (368, 244976), (488, 184736), (502, 179584), (736, 122488), (976, 92368), (1004, 89792), (1403, 64256), (1472, 61244), (1952, 46184), (2008, 44896), (2806, 32128), (2944, 30622), (3904, 23092), (4016, 22448), (5612, 16064), (5773, 15616), (5888, 15311), (7808, 11546), (8032, 11224)]