163190975

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 221771520

約数和(自身を除く): 58580545

約数列:

[1, 5, 25, 29, 31, 53, 137, 145, 155, 265, 685, 725, 775, 899, 1325, 1537, 1643, 3425, 3973, 4247, 4495, 7261, 7685, 8215, 19865, 21235, 22475, 36305, 38425, 41075, 47647, 99325, 106175, 123163, 181525, 210569, 225091, 238235, 615815, 1052845, 1125455, 1191175, 3079075, 5264225, 5627275, 6527639, 32638195, 163190975]

約数ペア:

[(1, 163190975), (5, 32638195), (25, 6527639), (29, 5627275), (31, 5264225), (53, 3079075), (137, 1191175), (145, 1125455), (155, 1052845), (265, 615815), (685, 238235), (725, 225091), (775, 210569), (899, 181525), (1325, 123163), (1537, 106175), (1643, 99325), (3425, 47647), (3973, 41075), (4247, 38425), (4495, 36305), (7261, 22475), (7685, 21235), (8215, 19865)]