42401008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10729}}^1$

素因数の和:10769

約数の個数: 40

約数和(自身を含む): 93136400

約数和(自身を除く): 50735392

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 10729, 21458, 42916, 85832, 139477, 171664, 203851, 278954, 407702, 557908, 815404, 1115816, 1630808, 2231632, 2650063, 3261616, 5300126, 10600252, 21200504, 42401008]

約数ペア:

[(1, 42401008), (2, 21200504), (4, 10600252), (8, 5300126), (13, 3261616), (16, 2650063), (19, 2231632), (26, 1630808), (38, 1115816), (52, 815404), (76, 557908), (104, 407702), (152, 278954), (208, 203851), (247, 171664), (304, 139477), (494, 85832), (988, 42916), (1976, 21458), (3952, 10729)]